Chapter 4 Review (Stone)

Distributive Property

100

Simplify:
3(x + 4)

Answer: 3x + 12

200

Simplify:
5(x − 2)

Answer: 5x − 10

300

Simplify:
−2(x + 6)

Answer: −2x − 12

400

Simplify:
4(2x + 3)

Answer: 8x + 12

500

Simplify completely:
3(x + 5) − 2x

Answer: x + 15

Simplifying Algebraic Expressions

100

Simplify:
2x + 3x

5x

200

Simplify:
7y − 2y

5y

300

Simplify:
4x + 6 − 2x

2x + 6

400

Simplify:
3a + 5 + 2a − 1

Answer: 5a + 4

500

Simplify completely:
2(3x + 4) − x

5x + 8

Solve by Adding or Subtracting

100

Solve:
x + 5 = 12

x = 7

200

Solve:
x − 4 = 9

 x = 13

300

Solve:
y + 11 = 3

y = −8

400

Solve:
a − 7 = −2

a = 5

500

Solve:
m + 9 = −4

m = −13

Solve by Multiplying or Dividing

100

Solve:
3x = 12

x = 4

200

Solve:
x ÷ 5 = 6

x = 30

300

Solve:
−4x = 20

x = −5

400

Solve:
x / 3 = −7

x = −21

500

Solve:
½x = 10

x = 20

Two-Step Equations

100

Solve:
x + 3 = 11

x = 8

200

Solve:
2x = 10

x = 5

300

Solve:
2x + 5 = 13

x = 4

400

Solve:
3x − 4 = 11

x = 5

500

Solve:
−2x + 6 = 14

x = −4

Writing Equations

100

Write an equation for:
“x plus 7 is 15”

x + 7 = 15

200

Write an equation for:
“5 times a number is 20”

5x = 20

300

Write an equation for:
“A number minus 4 equals 9”

x − 4 = 9

400

Write an equation for:
“Twice a number plus 3 is 11”

2x + 3 = 11

500

Write an equation for:
“Three less than half a number is 7”

½x − 3 = 7