Question

hecking Your Understanding
Follow the steps to solve this equation:

−2x + 6x − 8 = 12

Step 1: Combine like items.

Step 2: Undo the subtraction.



Step 3: Undo the multiplication.


4x − 8 = 12

4x − 8 + 8 = 12 + 8

4x = 20

4
4
x =
20
4

x =

Answer 1

x = 5

Work:
1. Combine like terms: −2x + 6x − 8 = 12 → 4x − 8 = 12
2. Undo subtraction by adding 8: 4x − 8 + 8 = 12 + 8 → 4x = 20
3. Undo multiplication by dividing by 4: x = 20/4 = 5