x/21-3=-7

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Solution for x/21-3=-7 equation: 



x/21-3=-7

We move all terms to the left:

x/21-3-(-7)=0

We add all the numbers together, and all the variables

x/21+4=0

We multiply all the terms by the denominator


x+4*21=0

We add all the numbers together, and all the variables

x+84=0

We move all terms containing x to the left, all other terms to the right

x=-84

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