Equations and Inequalities

Which of the following is an equation?

• 9 - 2

• 7 + y

• y $\div$ 9 = 3

For which equation is x = 5 a solution?

• 2 + x = 3

• 3x = 15

• x - 7 = 12

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Fewer Than

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No More Than

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At Least

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At Most

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Not Below

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Which operations have an inverse relationship?

• Subtraction and Division

• Multiplication and Addition

• Subtraction and Multiplication

• Addition and Subtraction

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.