5x+x=81

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Solution for 5x+x=81 equation: 



5x+x=81

We move all terms to the left:

5x+x-(81)=0

We add all the numbers together, and all the variables

6x-81=0

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

6x=81

x=81/6

x=13+1/2

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