4x-21=72/7

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Solution for 4x-21=72/7 equation: 



4x-21=72/7

We move all terms to the left:

4x-21-(72/7)=0

We add all the numbers together, and all the variables

4x-21-(+72/7)=0

We get rid of parentheses

4x-21-72/7=0

We multiply all the terms by the denominator


4x*7-72-21*7=0

We add all the numbers together, and all the variables

4x*7-219=0

Wy multiply elements

28x-219=0

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

28x=219

x=219/28

x=7+23/28

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