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

Find the value of x.

• 14
• 60
• 35
• 180

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

-8y = -3y -15

• 3
• -3
• 5
• -5

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

-5 - 6a = -59

• a= 11
• a= -6
• a= 9
• a= 2

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

Solve for y:
x + 2y = −8  

• y = − 1 /2 x − 4
• y = − 2 x − 4
• y = 1 /2 x − 4
• y = − 1 /2 x +4

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

-24 + k ≤ 10

• k ≤ 14
• 34 ≤ k
• k ≤ 34
• 14 ≤ k

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

What could be solved using this number sentence? 
18 + m = 45

• Josh bought 18 pencils every day for 45 days. If m represents the number of pencils, how many pencils does he have now?
• Josh had 18 pencils. If his friend gave him 45. If m represents the number of pencils, how many pencils does he have now?
• Josh had 18 pencils. He received some pencils for Halloween. Now Josh has 45 pencils. If m represents the number of pencils, how many pencils did Josh receive for Halloween?
• Josh bought the same number of pencils every day for 18 days. At the end of 18 days, Josh had 45 pencils. If m represents the number of pencils, how many pencils did Josh buy every day?

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

Which equation has x = 5 as the solution?

• x + 15 = 10

• 2x = 5

• 2x = 10

• x - 15 = 10

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

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

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

convert to slope intercept form:

y + 9 = 3(x - 1)

• y = 3x + 12

• y = 3x - 12

• y = 3x - 6

• y = 3x + 6

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

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9

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