Chapter 1 Review

What you learned before

100

What are the order of operations?

Parentheses, exponents, multiplication/division, addition/subtraction.

200

Which mathematical property is represented by the expression?

2 + x = x + 2

The commutative property.

300

Simplify the expression:

4(2x - 3)

8x - 12

400

Simplify the expression:

2(x - 4) + 9 - 4x

-2x + 1

500

Simplify the expression:

1 +7 * 3^2 - 20

44

One-step equations

100

x - 18 = -5

x = 13

200

Solve for the missing variable:

11 + x = 4

x = -7

300

Solve for the missing variable:

5x = 75

x = 15

400

Solve for the missing variable:

x/3 = 9

x = 27

500

Solve for the missing variable:

2/3x = 4

x = 6

Two-step Equations

100

Solve for the missing variable:

2x- 1 = 3

x = 2

200

Solve for the missing variable:

2x + 5x = 49

x = 7

300

Solve for the missing variable:

2 - 3x = 17

x = -5

400

Solve for the missing variable:

23 + x/2 = 25

x = 4

500

Solve for the missing variable:

1/4x+ 1/4x = 15

x = 30

Variables on Both Sides

100

Solve for the missing variable:

x + 4 = 2x

x = 4

200

Solve for the missing variable:

2x + 3 = 9

x = 3

300

Solve for the missing variable:

-3x - 4 = 5x + 28

x = -4

400

Solve for the missing variable:

1 - 3x = -3x + 2

No solution

500

Solve for the missing variable:

1/4(4 - 8x) = -2x + 1

Infinite Solutions