Math

5x + 7 + 7x = 91

Asked by AnneS2 on 30 May 04:58

Last updated by anonymous on 31 May 12:44

1 Answers

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Answered by CherieS on 31 May 12:44

5x + 7 + 7x = 91

12x + 7 = 91

12x + 7 -7= 91-7

12x=84

12x/12=84/12

x=7