Question

помогите решить уравнениях:4х+5(3-2х)=5-11;2)19-2(3х+8)=2х-37;3)8х+3(7-2х)=4х+3;4)23-4(3х+8)=1-17х

Answer 1

4х+5(3-2х)=5-11
4x+15-10x=-6
-6x=-21
x=3,5
19-2(3х+8)=2х-37
19-6x-16=2x-37
3+37=8x
x=5
8х+3(7-2х)=4х+3
8x+21-6x=4x+3
-2x=-18
x=9
23-4(3х+8)=1-17х
23-12x-32=1-17x
5x=10
x=2