Question

3(5-x)-3(1-2x)=42 qual o resultado?

Answer 1

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

15-3x-3+6x-42=0

3x-30=0

3x=30

x=30/3=10

x=10

Answer 2

3. (5-x)-3 (1-2x) = 42
15 - 3x - 3 +6x = 42
-3x + 6x = 42 - 15 + 3
3x = 30
x = 30÷3
x = 10
Abraços