SOLUTION: 2x=2-y 3x+y=-1
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Question 3399
:
2x=2-y
3x+y=-1
Answer by
drglass(89)
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We have two equations:
2x=2-y
3x+y=-1
add y to both side of the first equation to get:
2x + y = 2 and
3x + y = -1
subtract the first equation from the second to get:
this reduces to x = -3. Substitute x into the first equation to get
subtract 2 from either side and multiply through by -1 to get