3x=15/21

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Solution for 3x=15/21 equation: 



3x=15/21

We move all terms to the left:

3x-(15/21)=0

We add all the numbers together, and all the variables

3x-(+15/21)=0

We get rid of parentheses

3x-15/21=0

We multiply all the terms by the denominator


3x*21-15=0

Wy multiply elements

63x-15=0

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

63x=15

x=15/63

x=5/21

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