Math

3x + 5 + 7x = 55

Asked by AnneS2 12 years ago 5/30/2013 4:33 AM

Last updated by anonymous 12 years ago 6/1/2013 11:13 AM

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Answered by CherieS 12 years ago 6/1/2013 11:13 AM

3x + 5 + 7x = 55

5 + 10x = 55

5 + 10x -5= 55-5

10x=50

10x/10=50/10

x=5