Уравнения -3y+10x=-15-6 7x-5x =17-35 5x-7x=-35+37 -2x-11y=45+6
7x-5x =17-35 2x=18 X=9
5x-7x=-35+37 -2x=2
x=-1
1. -3у+10х= -21 х= -21