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Anonymous
7x+x = 8x
Wiki User
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It depends what x equals if you could just tell me what x equals then i am able to give you the answer.
7x
8x
9
X=4.2666666666667
In 7x+7, x is a variable.
7x-2
x^2 +7x+12 = (x+3)(x+4) when factored
x^2 +7x+6 = (x+1)(x+6) when factored