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Mathematics 9 Online
OpenStudy (anonymous):

solve using substitution 2x=y-4 -3y=x-5

OpenStudy (anonymous):

Solve the first equation for \(x\) to find that \(x = \frac{1}{2}(y-4)\).

OpenStudy (anonymous):

Plug this into the second equation to find that \(-3y = \frac{1}{2}(y-4) - 5\).

OpenStudy (anonymous):

Divide both sides by \(-3\) to find \(y\).

OpenStudy (anonymous):

You can then substitute the value you find for \(y\) to solve for \(x\).

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