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OpenStudy (anonymous):
solve by the substitution method 6x+7y=-27 and x=7-5y
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OpenStudy (saifoo.khan):
x = -8 y = 3
OpenStudy (anonymous):
what is the solution of the system
OpenStudy (anonymous):
suntitutimg eq 2 in eq 1 ===> 6(7-5y)+7y=-27 ===> 42-30y+7y = -27 ===> y = 69/23 = 3
OpenStudy (anonymous):
===> x=7-15 = -8
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