Question 634494
3x - 5y = 7
2x + 5y = 13 
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Multiply thru 1st by 2.
Multiply thru 2nd by 3.
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6x - 10y = 14
6x + 15y = 39
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Subtract and solve for "y":
25y = 25
y = 1
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Solve for "x":
3x - 5y = 7
3x - 5*1 = 7
3x = 12
x = 4
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Cheers,
Stan H.
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