3x=9+81/7

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Solution for 3x=9+81/7 equation: 



3x=9+81/7

We move all terms to the left:

3x-(9+81/7)=0

We add all the numbers together, and all the variables

3x-(81/7+9)=0

We get rid of parentheses

3x-9-81/7=0

We multiply all the terms by the denominator


3x*7-81-9*7=0

We add all the numbers together, and all the variables

3x*7-144=0

Wy multiply elements

21x-144=0

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

21x=144

x=144/21

x=6+6/7

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