Modeling and Solving 2-Step Equations

33 = 4a - 7

• a=-10
• a=10
• a=4.5

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

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

What is the first step to complete when solving this equation?
10 - 3y = 4

• Add 10
• Subtract 10
• Add 3
• Divide by -3

• x = 30
  

• x = 18
  

• x = -6
  

• x = 12
  

• x = 1
  

• x = 25
  

• x = 9
  

• x = -9
  

Solve    8 - 2x = 30

• -11
• 11
• -12
• 12

• 32

• 28

• -28

• 0

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