4x/5+3=2x-21

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Solution for 4x/5+3=2x-21 equation: 



4x/5+3=2x-21

We move all terms to the left:

4x/5+3-(2x-21)=0

We get rid of parentheses

4x/5-2x+21+3=0

We multiply all the terms by the denominator


4x-2x*5+21*5+3*5=0

We add all the numbers together, and all the variables

4x-2x*5+120=0

Wy multiply elements

4x-10x+120=0

We add all the numbers together, and all the variables

-6x+120=0

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

-6x=-120

x=-120/-6

x=+20

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