Question

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

Answer 1

X+5y=-3
x= - 3 -5y
5y=-3-x
$y= frac{-3-x}{5}$

Answer 2

5y = -3 - X
y = -3/5 - X/5

X - 0.6 - X/5 = -3
0.8X - 0.6 = -3
0.8X = -3 + 0.6
8X = -30 + 6 = -24
X = -3

-3 + 5y = -3
5y = -3 + 3
y = 0

Answer 3

Просто немного дополнил.

Answer 4

нужно чтобы у=1