Question

( 3-2x) + (4-3x)+(5-5x)=12+7x

Answer 1

(3-2х)+(4-3х)+(5-5х)=12+7х

3+4+5-12=2х+3х+5х+7х

0=17х

х=0

Ответ:0

Answer 2

( 3-2x) + (4-3x)+(5-5x)=12+7x

3-2х+4-3x+5-5x=12+7x

-2x-3x-5x-7x=12-5-4-3

-17x=0

x=0