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Q: 7 plus x equals 84

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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

y=84-72=12 z=84-52=32 x=84-12-32=40

19

-7+x=13x the -7=12x and x =-7/12

7x + 8 = 84 Subtract 8 from bith sides: 7x = 76 Divide both sides by 7: x = 76/7 = 10.8571428...

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7x + 8 = 84 7x = 84 - 8 x = 76/7 x = 10.8571

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

7 x 12 = 84

y=84-72=12 z=84-52=32 x=84-12-32=40

12 x 7 = 84

84/7 = 12, so 12 x 7 = 84

2 x 2 x 3 x 7 = 84

12 x 7 = 84

19

7x + 8 = 84 Subtract 8 from bith sides: 7x = 76 Divide both sides by 7: x = 76/7 = 10.8571428...

-7+x=13x the -7=12x and x =-7/12

9 plus 7 equals 144. Generally, x plus y = x(x+y).