Решить систему уравнений 3(2y+1)=2x-14 2(x+1)+3y=2y-2
6y+3=2x-14 2x+2+3y=2y-2 2x-14=6y+3 2x=6y+3+14 2x=6y+17 x=(6y+17)/2 x=3y+8.5 2x+3y=2y-2-2 2x+3y=2y-4 2*(3y+8.5)+3y=2y-4 6y+17+3y=2y-4 9y+17=2y-4 9y-2y=-4-17 7y=-21 y=-21/7 y=-3 x=3*(-3)+8.5 x=-9+8.5 x=-0.5