3x/4-6=21

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Solution for 3x/4-6=21 equation: 



3x/4-6=21

We move all terms to the left:

3x/4-6-(21)=0

We add all the numbers together, and all the variables

3x/4-27=0

We multiply all the terms by the denominator


3x-27*4=0

We add all the numbers together, and all the variables

3x-108=0

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

3x=108

x=108/3

x=36

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