solve pair of eq 5x+y=7 and 2x-2y=2
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Step-by-step explanation:
5x+y=7
y=7-5x
2x-2y=2
x-y=1
x-7+5x=2
6x=9
x=3/2
y=7-5(3/2)
y=7-15/2
y=14-15/2
y=-1/2
hence,x=3/2
y=-1/2
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