Answers

2016-06-21T19:06:07+08:00
7x+91=0
7x=-91

so Divide both sides by 7 and cancel the two 7 from the left side and bring down x and the answer is 13.

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2016-06-21T19:07:01+08:00
7x + 91 = 0
transpose 91 and it will become 7x= - 91
cancel the 7 in 7x and divide -91 by 7 
the answer will be x=13
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