Question

3(5-X)-3 (1-2X)=42 por favor me ajudem❤ de novo ‍♀️​

Answer 1

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

15-3x-3+6x=42

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

3x=45-15

3x=30

x=30/3

x=10

Answer 2

Resposta:

[(3.5)-(3.x)]-[(3.1)-(3.2x)]=42

(15-3x)-(3-6x)=42

(15-3x)-3+6x=42

12+3x=42

3x=42-12

x=30/3

x=10