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6 November, 10:45

Solve the following system by using substitution: 3y=6x+9 and y=4x+9

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  1. 6 November, 11:29
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    X=-3, and Y=-3. First, get Y by itself so 3y=6x+9 will be Y=2x+3, then set the equations equal. Then you can solve for x. Then Substitute x=-3 in for x and you will get Y=-3.
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