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OpenStudy (anonymous):
subsitution method 6x-4=-44 8x+89=y help please
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OpenStudy (anonymous):
You have two equations. The first only has one variable, x. That means you can solve for x.
OpenStudy (anonymous):
next take this value of x and 'substitute' it in to the second equation
OpenStudy (anonymous):
6x-4=-44 6x=-40 x=-(20/3)
OpenStudy (anonymous):
Use this value of x in the equation y=8x+89
OpenStudy (anonymous):
you will find that y=69
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