Equations Review

What is the first step in solving this equation:

5x + 9 = 12

• Divide by 5

• Subtract 5

• Multiply by 9

• Subtract 9

What is the first step to complete when solving this equation?

12 - 3y = 4

• Add 12

• Subtract 12

• Add 3

• Divide by -3

Solve for w:

-6w + 1 = -29

• 5

• 1.5

• 15

• -5

Solve:
3x + 7 = -8

• 5
• -5
• -12
• -18

Solve.   -8 = 3n + 4

• 4
• 1 1/3
• -1 1/3 
• -4

Solve.   -8 = 3n + 4

• 4
• 1 1/3
• -1 1/3 
• -4

Solve for x.

• 55
• 60
• 15
• 35

Which of the equations has no solution?

• 2x + 1 = 5x - 3
• 2(x - 7) = 2x-14
• 3(2x+1) = 6x+1
• 15x - 30 = 0

Solve:
2x + 1 = 2x - 1

• No Solution
• x = 0
• Infinitely Many Solutions

Solve:
3x + 15 = 3(x + 5)

• No Solution
• x = 15
• Infinitely Many Solutions