Expressions and Equations

Use the distributive property to simplify the expression 2x + 3(x - 1)

• 5x - 3

• 5x - 1

• 2x

• 5x + 3

Solve:
7x - 3x - 8 = 24

• 8

• -8

• 3.2

• 4

Determine the value of m in the equation m - 2.2 = 2.5.

• 3.7

• 0.3

• 4.7

• 0.5

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

-1

7

0

4

9

3

• 15

• 12

• 18

• 21

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

Translate the phrase into an algebraic expression: "Seven less than twice a number."

Translate the following sentence into an equation: "Eight times a number, decreased by 13, is equal to 35."

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

Which value of x makes 2 ( x - 4) + 3 = 7 a true statement?

• 1

• 4

• 6

• 7