Question 62581
1st:  x/4-y/3= 4
2nd:  x/4-y/4=-1
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Subtract 2nd from 1st to get:
3rd:  -y/3+y/4=5
Multiply 3rd by 12 to get:
-4y+3y=60
-y=60
y=-60
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Substitute into 1st to solve for y, as follows:
(x/4)+20=4
x/4 =-16
x=-64
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Final solution:
x=-64, y=-60

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