Question 1015557
7x-8y=-2 
x-3y= 9 
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Solve the 2nd equation for "x"::
x = 3y+9
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Substitute for "x" and solve for "y":
7(3y+9) - 8y = -2
21y + 63 - 8y = -2
13y = -65
y = -5
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Solve for "x"::
x = 3y + 9
x = 3*-5+9
x = -15+9
x = -6
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Cheers,
Stan H.
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