Question

3(5- x )- 3 (1- 2x ) = 42 resolva a equação

Answer 1

3(5- x )- 3 (1- 2x ) = 42

15 - 3x -3 + 6x = 42

12 + 3x = 42

3x = 42 -12

3x = 30

x = 30/3

x = 10

Answer 2

15-3x - (3-6x)=42
15-3x-3+6x=42
-3x+6x=42-15+3
3x=27+3
3x=30
x=30/3
x=10