x-5/7=21

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Solution for x-5/7=21 equation: 



x-5/7=21

We move all terms to the left:

x-5/7-(21)=0

determiningTheFunctionDomain
x-21-5/7=0

We multiply all the terms by the denominator


x*7-5-21*7=0

We add all the numbers together, and all the variables

x*7-152=0

Wy multiply elements

7x-152=0

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

7x=152

x=152/7

x=21+5/7

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