Equations Translating and Solving

Eight less than three times a number is equivalent to thirty four.

• 3x - 8 = 34

• 8x - 3 = 34

• 8 - 3x = 34

• 8 - x = 34

Fifteen less than half a number is equivalent to eleven.

• (1/2)x + 15 = 11

• 2x - 15 = 11

• 15 - (1/2)x = 11

• (1/2)x - 15 = 11

One and a half times a number increased by nine is equal to twenty one.

• (1/2)x + 9 = 21

• 1.5x + 9 = 21

• x + 9 = 21

• 1.5x - 9 = 21

Twelve more than three quarters of a number is equal to thirty six.

• 75x + 12 = 36

• (3/4)x + 12 = 36

• 3x + 12 = 36

• 25x + 12 = 36

Sixteen more than five times a number is fifty six.

• 5x + 56 = 16

• 16x + 5 = 56

• 5x + 16 = 56

• 5x - 16 = 56

One third the sum of a number and fifteen is eight.

• (1/3)x + 15 = 8

• 3x + 15 = 8

• (1/3)(x + 15) = 8

• 3(x + 15) = 8

Twice the sum of four times and number and ten is equal to seventy two.

• 4x + 10 = 72

• 2(x + 10) = 72

• 2(4x + 10) = 72

• 8x + 10 = 72

Which matches the expression below?

x −9

• Nine more than a number.

• The sum of a number and nine.

• A number decreased by nine.

Three less than twice a number

• 2x-3

• 3x-2

• 3-2x

• 2-3x

Which matches the expression below?

• Five times a number increased by two.

• The sum of five and twice a number.

• Two more than the product of five and a number.