5x=9x+81

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Solution for 5x=9x+81 equation: 



5x=9x+81

We move all terms to the left:

5x-(9x+81)=0

We get rid of parentheses

5x-9x-81=0

We add all the numbers together, and all the variables

-4x-81=0

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

-4x=81

x=81/-4

x=-20+1/4

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