Question

Плиз помогите 3(7x-1)-6(5x+2)=3

Answer 1

$3(7x-1)-6(5x+2)=3\21x-3-30x-12-3=0\-9x-18=0\-9x=18\x=- frac{18}{9}=-2$

Answer 2

21х-3-(30х+12)-3=0
21х-3-30х-12-3=0
-9х-18=0
-9х=18
$x = frac {18}{ - 9}$
$x = - 2$