4x/5-3=21

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Solution for 4x/5-3=21 equation: 



4x/5-3=21

We move all terms to the left:

4x/5-3-(21)=0

We add all the numbers together, and all the variables

4x/5-24=0

We multiply all the terms by the denominator


4x-24*5=0

We add all the numbers together, and all the variables

4x-120=0

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

4x=120

x=120/4

x=30

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