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3y+6=3-2x
4x+5y=-7
2x+3y=-3 /*(-2)
4x+5y=-7
-4x-6y=6
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-y=-1
y=1
2x=-3-3*1
2x=-3-3
2x=-6
x=-3
x=-3
y=1
3(y+2)=3-2x
4x+8=1-5y
3y+6=3-2x
4x+8=1-5y
3y+2y=3-6
4x+8=1-5y
5y=-3 /:5
4x+8=1-5y
y=-3/5
4x+8=1-5*(-3/5)
y=-3/5
4x+8=1*(-3)
y=-3/5
4x+8=-3
y=-3/5
4x=-3-8
y=-3/5
4x=-11 /:4
y=-3/5
x=-2,75
y=-3/5