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Anonymous
7(x + 1)
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7x + 7 = 7(x + 1)
It is 7(-x -5) when factored
(7x + 5)(2x - 7)(2x-7)(7x+5)
35
-2x+7x=5x. Factor out the x. -2+7 I hope you know how to use a calculator. :D