3x/4+3=21

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Solution for 3x/4+3=21 equation: 



3x/4+3=21

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x/4-18=0

We multiply all the terms by the denominator


3x-18*4=0

We add all the numbers together, and all the variables

3x-72=0

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

3x=72

x=72/3

x=24

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