Question

como resolver a equaçao
7+(x+3)=12

4(x-2)+2(x+3)=1

1+2(x-3)=8-5(x-1)

Answer 1

$7+x+3=12$
$10+x=12$
$x=12-10$
$x=2$

$4(x-2)+2(x+3)=1$
$4x-8+2x+6=1$
$6x-2=1$
$6x=3$
$x=0,5$

$1+2x-6=8-5x-5$
$2x-5=3-5x$
$2x+5x=3+5$
$7x=8$
$x=\frac{7}{8}$