9=x-21/5

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Solution for 9=x-21/5 equation: 



9=x-21/5

We move all terms to the left:

9-(x-21/5)=0

We add all the numbers together, and all the variables

-(+x-21/5)+9=0

We get rid of parentheses

-x+9+21/5=0

We multiply all the terms by the denominator


-x*5+21+9*5=0

We add all the numbers together, and all the variables

-x*5+66=0

Wy multiply elements

-5x+66=0

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

-5x=-66

x=-66/-5

x=13+1/5

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