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OpenStudy (anonymous):
solve: 3x+y=9 4x-3y=-1
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OpenStudy (anonymous):
are u solvng for x and y?
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
y = 9-3x 4x-3(9-3x) = -1 (=) x =2 y = 3
OpenStudy (anonymous):
for (x) u multiply the top equation by 4 and the boottom equation by 3 in order to cancle out the x value and solve for the y value
OpenStudy (anonymous):
then for soling for (y) multiply the top equation by 3 and and solve for x :)
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