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OpenStudy (anonymous):
solve the system of equations x-4y=5 x=3y-2
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OpenStudy (aripotta):
the second equation tells us what x equals in terms of y. so plug (3y - 2) for x in the first equation and solve for y
OpenStudy (anonymous):
is y -7 ?
OpenStudy (aripotta):
yep. so now plug in -7 for y in the second equation to solve for x
OpenStudy (anonymous):
-23 ?
OpenStudy (aripotta):
yea
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OpenStudy (anonymous):
OpenStudy (aripotta):
yes that's your answer
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