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Earn +20 ptsQ: What is 8 x 21?
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7 x over 8 plus equals 21 what is x?
7x/8 = 21 so 7x = 21*8 x = 12*8/7 = 3*8 = 24
Why does 168 divided by 8 equal 21?
Because 8 x 21 = 168
When -3 is multiplied by the sum of a number and 8 the result is -21 Find the number?
If: -3*(x+8) = -21 Then: x = -1
What is 8 over 21 as a decimal?
First set up a proprotion 21 over 8 = x over 100. then cross multiply to get ... 2100 = 8x , then divide both sides by 8 to get 262.5 = x
What is the value of x when x 2 plus 5 21?
maybe eight 21 - 5 = 16 = 2 x 8
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