Multi-Step Equations

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

3a + 9 + 4a = 2

• -1
• 1
• no solution
• -7

4(a + 3) = -32

• -11
• -44
• -20
• -8

• None of these