Simplifying Expressions and 2 step Equations

Which expression is equivalent to –4(x² – 2) + 6(x² + 5)?

• -10x² + 38

• 2x² + 38

• -2x² - 38

• 10x² - 38

Which expression is equivalent to (4x²+ x) - (x²+ 2x)?

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Which expression is equivalent to

(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)?

• 11a³ - 4a² - 14a - 7

• 5a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

Which of the following is equivalent to 5(2x + 6)?

• 10x + 30
• 10x + 6
• 40x
• 2x + 30

Which expression is equivalent to 12(4x + 5) + 10x?

• 58x + 20

• 58x + 60

• 38x + 20

• 10x + 20

What value of y makes 12 - 6y = 24 true?

• -1

• -2

• -3

• -4

What value of x makes -3x + 5 = -16 true?

• 9

• 8

• -7

• 7

Solve for x:
-30 - 5x = 120

• x = 18
• x = -18
• x = 30
• x = -30

What value of x makes 9 + 3x = 10 true?

• 2/3

• 1/3

• -1/3

• 4

What value of y makes 12 - 6y = 24 true?

• -1

• -2

• -3

• -4