CC Math Solving Equations

What is the value of x in this tape diagram?

• 3x

• 9

• 3

• 1/3

What equation is represented in this tape diagram?

• x+3=9

• 9x=3

• 3x=9

• 9+3=x

Victor has $60 in his savings account. He plans to save $45 a month by babysitting. Write and solve an equation to show in how many months he will have $600 in his savings account.

• 10 months

• 14.67 months

• 12 months

• 9.25 months

A long-distance calling plan costs $12.99 per month, plus $0.09 per minute;. Your total bill was $21.54. Write and solve an equation to find the number of minutes used that month.

• 1 minute

• 3 minutes

• 95 minutes

• 384 minutes

A local gym charges non-members $10 per hour to use the tennis courts. Members pay $4 per hour, and a yearly fee of $300. For how many hours is the cost the same for members and non-members?

• The cost is the same for 21 hours.

• The cost is the same for 30 hours.

• The cost is the same for 50 hours.

• The cost is the same after 50 hours.

Solve for d:
-7(6 + d) = 49

• 13

• 1

• -1

• -13

Solve for w:
-6w + 1 = -11

• 2

• 1.2

• 12

• -2

Solve: 3(x-4) = -3

• 3

• -3

• 5

• -5

Solve for x:
8x - 10 = -34

• 4

• 3

• -3

• -24

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7