3x-2y+4=0
2y=3x+4 |:2
y=3/2 x +2
y=kx +m
k=3/2
Ответ: 2) 3/2
8х+16=х-3
8х-х=16-3
7х=19
х=-2.7
-(х+5)+(2х-12)=х-3
х-5-2х+12=х-3
х-2х-х=5-12-3
-2х=-10
х=5
2*(х+5.4)-3*(7.2-х)=8
2х+10.8-21.6-3х=8
2х-3х=8-10.8+21.6
-1х=18.8
х=-18.8
2x²-3x-2/2=x²+x-3/3
x²-4x=0
x*(x-4)=0
x₁=0
x₂=4