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OpenStudy (anonymous):
4x+5y=13 5x+y-8=0 its substitution question
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OpenStudy (anonymous):
\[5x+y-8=0\iff y=-5x+8\] substitute that in to the first equation, get \[4x+5(-5x+8)=13\] and solve for \(x\)
OpenStudy (anonymous):
thankyou ^_^
OpenStudy (blank ):
I got: x=9/7 y=11/7
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