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Anonymous
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84 × 7 = 588
7/8 of 84 = 84*7/8 = 73.5
84
7 goes into 84 twelve times (84/7 = 12).
you say: 5x+7=84-6x 5x+6x+7=84-6x+6x 11x+7=84 11x+7-7=84-7 11x=77 x=77/11 x=7