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OpenStudy (anonymous):
i need help with the elimination method. My two equations are 2x+3y=6 and x+2y=5. What do i do?
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OpenStudy (anonymous):
try to write in this form y=mx+b
OpenStudy (anonymous):
how???
OpenStudy (anonymous):
no multiply the second equation by 2
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
actually by -2 but she is guiding you correctly
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OpenStudy (anonymous):
then subtract it from the first equation
OpenStudy (anonymous):
2x+4y=10
OpenStudy (anonymous):
subtract it from 2x+3y=6
OpenStudy (anonymous):
we get y=4
OpenStudy (anonymous):
substitute the value of y in the first equation
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OpenStudy (anonymous):
we get 2x+12=6
OpenStudy (anonymous):
2x=-6 x=-3
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