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OpenStudy (anonymous):
x-8y=20 x+11y=-21 solve for x and y
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OpenStudy (anonymous):
thats very easy first of all subtract the first equation from the second equation and solve for y and then subs. for y to get x ,Got it ?
OpenStudy (anonymous):
lol @9013955 : Uneed more explanation ?
OpenStudy (anonymous):
y=-3
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