SOLUTION: 1/2x-1/4y=-1 2(y-1)-2(1-x)=y+4

Question 734566: 1/2x-1/4y=-1
2(y-1)-2(1-x)=y+4
Answer by IBRAHIM92(5) (Show Source): You can put this solution on YOUR website!
1/2x-1/4y=-1
2(y-1)-2(1-x)=y+4
Multiply the first equation x4:
2x-y=-4
Remove the brackets in the second equation:
2y-2-2+2x=y+4
y+2x=8
now the equations :
2x-y=-4
y+2x=8
Add the two equations :
4x =4 , Hence x=1
then :
y =6
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