8x-21+117-x=180 find x

asked Aug 23, 2017 9.0k views

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4 votes

combine like terms: 7x+96=180
Bring x to one side: 7x=84
Divide by 7: x=12

Mahdi Zarei answered Aug 25, 2017

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5 votes

8x-x-21+117=180
7x+91=180
180-91=7x
89=7x
X=89/7
X=12.71428571429

Michelley answered Aug 30, 2017

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