Question

помогите решить уравнения 2(х+3)=х+8; -3(х-1)=24-10х; 2(4х+5)-3(х+6)=9х+8; 1,5(2х+5)+х=3(0,5х-7)+3,5.

Answer 1

1) 2(x+3)=x+8
2x+6=x+8
2x-x=8-6
X=2
2) -3(x-1)=24-10x
-3x+3=24-10x
-3x+10x=24-3
7x=21
X=21:7
X=3