79*7=553
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5x + 7 + 4x = 79 9x + 7 = 79 (Gather the x's) 9x = 72 (Take away 7 from each side) x = 8 (Divide each side by 9 to get the answer)
9-1x=79-x=79-7=x2=xx=2
7 x 79 = 553
79
Well, honey, 10 goes into 79 a total of 7 times with a remainder of 9. So, the quotient is 7 and the remainder is 9. Math lesson over, next!