Question

12 +3x-5( 2x-1 )=2-3x​

Answer 1

Resposta:

$12+3x-5(2x-1)=2-3x=$

$=12+3x-10x-5=2-3x=$

$=3x-10x+3x=-12+5+2=$

$=-4x=-5=$  (Cortar o - )

$=4x=5=$

$=x=\frac{5}{4}$

$(\frac{5}{4}=1,25 )$