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x = 2+2y
3y - 5x = -24
3y - 5(2+2y) = -24
3y -10-10y = -24
-7y = -24 +10=-14
y = -14/-7=2
x = 2+2y=2+2(2)=2+4=6
9. 5x+y = 10
y = -5x +10
4x-2y=-6
4x -2(-5x+10)=-6
4x +10x-20 = -6
14x=-6+20=14
x=14/14=1
y = -5x+10 = -5(1)+10 = -5+10=5
10.2x+2y=5
2x = -2y+5
x= -2/2 y + 5/2
x = -y + 5/2
4x-3y = -18
4(-y+5/2)-3y=-18
-4y+10=-18
-4y = -18-10=-28
y = -28/-4 = 7
x = -y+5/2
= -7 +2,5 = -4,5