Question 347257
3x+5y=-11
x-2y=11 
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Multiply thru the 2nd equation by -3:
3x+5y = -11
-3x+6y = -33
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Add the equations:
11y = -44
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y = -4
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Sustitute for "y" in x-2y = 11 and solve for "x".
x -2(-4) = 11
x+8 = 11
x = 3
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Cheers,
Stan H.