(3x/7)=21

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Solution for (3x/7)=21 equation: 



(3x/7)=21

We move all terms to the left:

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

We add all the numbers together, and all the variables

(+3x/7)-21=0

We get rid of parentheses

3x/7-21=0

We multiply all the terms by the denominator


3x-21*7=0

We add all the numbers together, and all the variables

3x-147=0

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

3x=147

x=147/3

x=49

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