Equations and Inequalities

2x + 6 = 14

• x = 4

• x = 10

• x = -4

• x = 3

Which equation would describe "two times a number plus five equals 15"?

• x + 5 = 15

• 2x + 5=15

• x + 2(5) = 15

• 2(x + 5) = 15

x < 6

• A

• B

• C

• D

Match the graph with its inequality.

• 11 < a

• 11 > a

• 11 ≤ a

• 11 ≥ a

Select the equations that have solutions for x that are greater than 5.

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Tags

CCSS.MATH.CONTENT.8.EE.A.2

a≤1

a≤25

a>1

a<25

• a≤1

• a≤25

• a>1

• a<25

Which inequality is represented by this graph? hint: don't be tricked by the variable on the left

•  2.75 > d

• 2.75 < d

• 2.75 ≥ d

• 2.75 ≤ d

3(3x - 6) = 18

• x = 4

• x = -4

• x = 0

• x = -12

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5