Chapter test on expressions and equations

-6k + 7k

Simplify this expression

• k
• -k
• 12k
• -12k

n -10 +9n -3

Simplify this expression

• -3
• 9n-3
• n
• 10n -13

-2x + 11 + 6x

Simplify this expression

• 8x+11
• 4x +11
• 4x
• 15x

5(a + 6)

Distribute and simplify this expression

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Solve for x: What do you substitute for x that makes this equation work

-4x = 44

• x = 48
• x = -11
• x = 40
• x = -176

Solve for x
17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

x - 8 = -5 

What amount do you substitute for x that makes this equation work?

• 13
• -13
• 3
• -3

What amount do you substitute for k that makes this equation work?

• k = 152
• k = 176
• k = 5
• k = 27