Question 542490
lets set first equal to y
-
3y=-x+7
-
y=-1/3x + 7/3
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Sub in to second problem:
3x=9-5*(-1/3x+7/3)
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x=-2
==
now put -2 in for x in first
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-2+3y=7
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3y=9
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y=3
==

hope this helps