Translating Expressions and Equations

Six more than some number equals 52

• 6 + x = 52

• 6 + 52 = x

• 6x = 52

•  6x + 52 =

Translate the statement into an equation:
The sum of three times a number and ten is equal to eight times the number.

• 3 + 10 = 8

• 3x + 10 = 8

• 3x + 10 = 8x

• 3(x + 10) = 8x

The difference of x and 8, divided by 5

• x – 8 ÷ 5

• x/8 ÷ 5

• x/8/5

• (x – 8)/5

Which of the following represents twice the difference of a number and 7?

• 2x - 7

• 2(x - 7)

• 2x + 7

• 2(x + 7)

Two more than 4 times a number is -18.

• 4x + 2 = -18

• 2x + 4 = -18

• 18 = 4x +2

Three less than twice a number

• 2x-3

• 3x-2

• 3-2x

• 2-3x

The sum of a number and 4

• 4+x

• x+4

• x/4

• 4+4

Two times the sum of a number and 5 is 20

• 2(x+5)=20

• (2x)+5=20

• 2x+(x+5)=20

• x+x+5=20

Four times the difference of a number and 7 is 32

• 4(x-7)=32

• 4x-7=32

• 4-x-7=32

• (4x)-x+7=32

Which expression correctly represents that Jaime walked 7 miles fewer than 3 times the number of miles (r) that Robert walked.

• 3(r-7)

• 3r - 7

• 7(3-r)

• 7 - 3r