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(4x – 7) – (-2x – 47)

Guest Apr 19, 2017
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So you take your equation, (4x-7)-(-2x-47) and combine (or subtract like terms). You get (6x+40), because you are subtracting negatives both times, so it is just adding 4x and 2x, and 47 and -7. :)

liveevillevi  Apr 19, 2017

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