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Mathematics 11 Online
OpenStudy (anonymous):

solve a system of equation by substitution y=-6+9 5x+3y=14

OpenStudy (anonymous):

Plug the y into the bottom equation

OpenStudy (anonymous):

arent you missing an x in the first one?

OpenStudy (anonymous):

???

OpenStudy (anonymous):

y=-6x+9

OpenStudy (anonymous):

5x + 3(-6x+9) = 14 solve for x first. After finding x plug x into either equation to get y.

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