SOLUTION: Elimination method
6x-y=27
7y=6x-81
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Question 928003: Elimination method
6x-y=27
7y=6x-81
Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Elimination method
6x-y=27
7y=6x-81
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Rearrange::
6x - y = 27
6x - 7y = 81
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Subtract and solve for "y"::
6y = -54
y = -9
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Solve for "x" using 6x-y = 27
6x + 9 = 27
6x = 18
x = 3
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Cheers,
Stan H.
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Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll get you started
6x-y=27
7y=6x-81
6x-y=27
-6x+7y=-81
Now add the equations
6x-y=27
-6x+7y=-81
-----------
0x+6y=-54
6y = -54 leads to y = -9
Use this to find x.
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