Multi-Step Equations

3a + 9 + 4a = 2

• -1

• 1

• no solution

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides

• Distribute 4 to a and -5

• Distribute -4 to a and -5

4(a + 3) = -32

• -11

• -20

• -8

2 + 14a = -8 + 9a

• -2

• 3

• 5

-a = 9(a - 10)

• 9

• 1

• 10

Identify if this equation has one solution, infinitely many solutions or no solution.
-3x+1=x+9-4x

• one solution
• infinitely many
• no solution

Tags

CCSS.8.EE.C.7A

2x - 3 + 4x = 27

• 12

• 4

• 5

5x - 4 + 2x = 3

• 1

• 2

• 4

4x + 10 = -26

• 4

• -9

• 9

Solve:

3x + 7 = -8

• 5

• -5

• -12