x+5y=-3
cрочно!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

5y = -3 - Xy = -3/5 - X/5X - 0.6 - X/5 = -30.8X - 0.6 = -30.8X = -3 + 0.68X = -30 + 6 = -24X = -3-3 + 5y = -35y = -3 + 3y = 0

Просто немного дополнил.

нужно чтобы у=1

X+5y=-3x= - 3 -5y5y=-3-x