- x + 7 = 15
- y – 9 = 11
- 4x = 28
- a + 3.5 = 8.5
- 5y = 20
- x – 4 = 9
- x / 3 = 9
- 2p + 5 = 17
- x / 7 = 6
- 3m – 2 = 10
- 3x + 5 = 20
- 7x – 9 = 19
- 2x + 7 = 25
- 9x – 4 = 23
- 5x + 8 = 3x + 22
- 4x – 7 = 3x + 2
- 8x + 6 = 5x + 15
- 7x – 12 = 3x + 16
- 6x + 4 = 10x – 8
- 3x / 2 = 9
- (x / 3) + 5 = 11
- (x / 4) – 3 = 7
- 2(x + 5) = 18
- 3(x – 4) = 9
- 5(x + 2) = 30
- 6(x – 3) = 24
- (2x + 3) / 5 = 7
- (3x – 4) / 2 = 5
- (x + 7) / 3 = 8
- (5x – 2) / 4 = 9
- 3(x + 4) = 2(x + 9)
- 5(x – 2) = 3(x + 6)
- 2(3x + 5) = 4(x + 7)
- 7(x – 2) – 3(x + 4) = 8
- 4(x + 1) + 2(x – 3) = 18
- 5x – 7 = 3x + 9
- 8x – 4 = 5x + 14
- 9(x – 3) = 3(2x + 6)
- 2(x + 3) + 3(x – 4) = 17
- (x / 2) + (x / 3) = 10
- (2x + 5) / 3 = (x + 11) / 2
- (x + 7) / 5 = (x – 3) / 3
- 3x – 4 = (2x + 8) / 2
- (4x – 5) / 6 = 3
- (3x + 2) / 5 = (x + 6) / 3
- (x – 2) / 4 + (x + 3) / 5 = 3
- (2x – 1) / 3 – (x + 5) / 6 = 2
- (x / 4) + (x / 5) = 9
- (3x / 7) – (2x / 5) = 4
- (5x + 9) / 4 = 12
B. Write the equations for the following statements and find their solutions:
- Five times a number gives 45.
- Seven less than twice a number is 13.
- The sum of a number and 12 is 30.
- One-fourth of a number is 5.
- Three-fifths of a number plus 4 gives 19.
- If 8 is subtracted from a number, the result is 20.
- Two-thirds of a number equals 10.
- The difference between 3x and 5 is 16.
- Four times a number decreased by 7 is 21.
- Half of a number added to 6 gives 15.
- A number increased by 8 is equal to 3 times itself minus 4.
- Twice a number added to 7 gives 31.
- Four more than half a number is 10.
- Three times a number decreased by 5 equals 19.
- When 12 is subtracted from twice a number, the result is 14.
- A number divided by 5 gives 9.
- If 8 is added to three-fourths of a number, the result is 20.
- The sum of one-third of a number and 10 is 16.
- Two times a number increased by 9 is 29.
- One-fifth of a number plus 7 equals 12.
- Five less than three times a number is 16.
- Four times a number is 6 more than twice the number.
- If 9 is added to half of a number, the result is 15.
- Three-fourths of a number decreased by 2 gives 7.
- When 10 is subtracted from 5 times a number, the result is 15.
- A number multiplied by 7 and decreased by 8 gives 20.
- The difference between 2x and 7 equals 15.
- A number divided by 3 gives a result 4 less than 8.
- One-third of a number increased by 11 gives 20.
- The sum of a number and its half equals 27.
- The sum of twice a number and 7 equals three times the number minus 5.
- Five more than four times a number is equal to twice the number plus 17.
- If 8 is added to three times a number, the result is the same as 5 added to four times the number.
- When a number is divided by 3 and then increased by 8, the result is 18.
- The sum of a number and its one-fourth is 45.
- Two-thirds of a number is 12 more than one-fourth of the same number.
- Four times a number decreased by 9 is 3 more than twice the number.
- When 7 is added to half a number, the result is 19.
- One-fifth of a number plus 6 equals one-third of the number minus 2.
- A number divided by 2 plus 9 gives the same result as when the number divided by 3 is increased by 11.
- The difference between twice a number and 5 equals one-third of the number plus 10.
- If 3 is subtracted from half a number, the result is 4 less than the number divided by 3.
- When a number is increased by 10 and the result is divided by 5, the answer is 8.
- A number decreased by 7 and divided by 2 equals 9.
- Three times a number plus 4 equals five times the number minus 8.
- The sum of a number and twice its half is 36.
- One-third of a number added to 10 gives 22. Find the number.
- When 15 is subtracted from four times a number, the result is twice the number plus 5.
- Twice a number minus 8 equals one-fourth of the number plus 16.
- If 7 is added to a number and the result is divided by 3, the quotient is 9.
- The perimeter of a rectangle is 60 units. Its length is 4 units more than 3 times its width. Find the width w.