Question

Решите уравнение:
5(х-2)-(х-1)=9
----------------
2-2(х-1)=4(х-2)

Answer 1

5x-10-x+1=9
4x=18
x=4,5
-2x-4x=-12
-8x=-12
x=-2

Answer 2

1)5х-10-х+1=9;
5х-х=9+10-1;
4х=18:4;
х=4,5.
2)2-2х+2=4х-8;
2х+4х=8+2+2;
6х=12:6;
х=2.