Question

3*(2x+5)+19=82
Ecuatie ,multumesc

Answer 1

$\displaystyle 3(2x+5)+19=82 \\ 6x+15+19=82 \\ 6x=82-15-19 \\ 6x=48 \\ x= \frac{48}{6} \\ x=8$

Answer 2

$3*(2x+5)+19=82$
$3*(2x+5)=82-19$
$3*(2x+5)=63$
$(2x+5)=63:2$
$2x+5=21$
$2x=21-5$
$2x=16$
$x=16:2$
$x=8$