Posted by Michelle on Tuesday, July 13, 2010 at 7:40pm.
1st one times 5, 2nd one times 2
1.5x - y = 20
.8x + y = -110/17
add them
2.3x = 230/17
x = 100/17
plug this back into 1.5x - y = 20
1.5(100/17) - y = 20
-y = 20 - 150/17
y = -190/17
weird equations, weird solutions, but they are right, I checked them
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