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Today's previewYou can solve this by rearranging to create asituation to use the method from the previouslesson, or you can solve this by thinking a littledifferently about how the variables below mightalso be described.... so solve it.y = 2x + 4x + y = 7

User Brandon Minton
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\begin{gathered} y-2x=4 \\ y+x=7 \\ -2x-x=4-7 \\ -3x=-3 \\ x=3 \\ \\ y+x=7 \\ y=7-3 \\ y=4 \end{gathered}

User Ali Ben Zarrouk
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