Solving Equations Gr.8 Review

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

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Tags

CCSS.7.EE.B.4A

Solve:
-4x = 24

• 20
• -20
• 6
• -6

Tags

CCSS.6.EE.B.7

Heather is a hairdresser and her customers pay $5 to reserve an appointment time and $12 for every hour Heather works on their hair style. As a back to school special she offers to lower her price per hour by $5. What equation represents the total amount paid to Heather, y, after x hours of hair styling?

• y = 5 + 12x
• y = 12x
• y = 7x + 5
• y = 12x + 12

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Mrs. Schmidt's family bought lunch from Culvers.  They also bought some sodas from Quick Trip for $5.00. The meals cost $6.00 each. The total cost of the lunch and soda was $41.00. Let x represent the cost of the number of meals that Mrs. Schmidt bought. Write the equation and solve for x.

• -5+6x = 41, 4 meals
• 6x + 5 = 41, 6 meals
• 6x = 36 meals
• 5 + 6x = 41, 7 meals

Tags

CCSS.7.EE.B.4A

2x = x + 3

• 6
• 3
• 2
• x

Tags

CCSS.8.EE.C.7B

5 - 2t = 3t

• 1
• 5
• 3
• 2

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

7x = 4x + 33

• 3
• 11
• 21
• 88

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for f:
f - 4 = 6f + 26

• f = -5
• f = 5
• f = 6
• f = -6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

    2x + 6 = 14

• x = 4
• x = 10
• x = -4
• x = 3

Tags

CCSS.7.EE.B.4A