2x+3=x-6 z+4-3=2z 5-3y=4-2y 7-3x=4x-9 6a-1=3a+7 10y-3=5+3y

Question

2x+3=x-6 z+4-3=2z
5-3y=4-2y 7-3x=4x-9
6a-1=3a+7 10y-3=5+3y

Answer 1

2х-х=-6-3; х=-9;

z-2z=3-4; -z=-1, z=1;

-3y+2y=4-5; -y=-1; y=1;

-3x-4x=-9-7; -7x=-16; x=2целых2/7;

6а-3а=7+1; 3а=8; а=2целых2/3

10у-3у=5+3; 7у=8; у=1целая 1/7