Question

Solve
3x - (x - 4) = 18

Answer 1

x = 7

Explanation:

3x - (x - 4) = 18 =

3x - x + 4 = 18 =

2x + 4 = 18 =

2x + 4 - 4 = 18 - 4

2x = 14

x = 7

Answer 2

7

Explanation:

Distribute

3x-x+4=18

Combine like terms

2x+4=18

Subtract 4 on both sides

2x=14

Divide 2 on both sides

X=7