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OpenStudy (anonymous):
(x + 3y = 2), (4x + 5y = 1) system of equations
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OpenStudy (anonymous):
first, make the first equation x= x+3y=2 x=-3y+2 now plug that in for x in the second equation 4(-3y+2)+5y=1 -12y+8+5=1 -12y+13=1 -12y=-12 y=1 now plug y back into your x= equation x=-3(1)+2 x=-1 (-1,1)
OpenStudy (anonymous):
what about by elimination/addition?
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