Question

Rozwiaż metoda podstawiania;
x+2y=3
2x+3y=7

Answer 1

X=3-2y
2*(3-2y) + 3y = 7

x=3-2y
6-4y+3y=7

x=3-2y
-y=1

x=3-2y
y=(-1)

x=3-2*(-2)
y=(-1)

x=3+4=7
y=(-1)