SOLUTION: solve for x and y
5x+3y=11
-9x-4y=-17
Algebra.Com
Question 97266: solve for x and y
5x+3y=11
-9x-4y=-17
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1st: 5x+3y=11
2nd: -9x-4y=-17
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Multiply the 1st by 4 and the 2nd by 3 to get:
3rd: 20x + 12y = 44
4th:-27x - 12y = -51
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Add 3rd and 4th to solve for x:
-7x = -7
x = 1
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Substitute into 1st (or 2nd) to solve for y:
5 + 3y = 11
3y = 6
y =2
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Check this answer in 2nd.
Cheers,
Stan H.
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