CCSS.Math.Content.8.EE.C.7

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

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CCSS.Math.Content.8.EE.C.7

y=x-6
What is the missing number?

• 12
• 10
• 14
• 13

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CCSS.Math.Content.8.EE.C.7

Solve:
3(1 - 6x) = -19 + 4x

• No Solutions
• x = 1
• Many Solutions
• x = -1

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CCSS.Math.Content.8.EE.C.7

Describe the solution set:
2(x + 5) = 2x + 5

• one solution
• no solution
• infinitely many solutions
• two solutions

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CCSS.Math.Content.8.EE.C.7

What is 4x - 3y = 12 written in slope-intercept form?

• y = (4/3)x - 12
• y = (4/3)x + 4
• y = (4/3)x - 4
• y = -(4/3)x - 4

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CCSS.Math.Content.8.EE.C.7

Simplify the expression:
5(p - 6)

• 5p - 30
• 5p - 5
• p - 30
• 5p + 11

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CCSS.Math.Content.8.EE.C.7

Solve for b:
-11 + 3(b + 5) = 7

• b = 1
• b = -1
• b = 3
• b = -3

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CCSS.Math.Content.8.EE.C.7

Solve for s:
3s + 15 = 3(s + 5)

• No Solution
• s = 15
• Infinitely Many Solutions
• s = 0

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CCSS.Math.Content.8.EE.C.7

Solve: 28y² + 21y = 0

• y = 28 and y = 21

• y = 0 and y = -3/4

• y = 0 and y = 4

• y = 3 and y = 4

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CCSS.Math.Content.8.EE.C.7

(a - 7.3) / 4.5 = 2.4

• -18.1

• 18.1

• 43.64

• -43.65

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CCSS.Math.Content.8.EE.C.7