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OpenStudy (anonymous):
help me please find the solution of this system of equations. -5x=-21+6y -5x+1y=-84
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OpenStudy (espex):
Set the two equations into 'x+y=c' form and use elimination on your 'x', solve for 'y'. Then substitute your 'y' value and solve for 'x'.
OpenStudy (anonymous):
for y i got y=-9
OpenStudy (espex):
Good job. Now pick one of those equations and plug (-9) in for 'y' and solve for 'x'.
OpenStudy (espex):
*hint: Choose the one with no leading coefficient on the 'y'.
OpenStudy (anonymous):
x=15
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OpenStudy (espex):
A+. Nice work.
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