(x+15)+x=2,81

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Solution for (x+15)+x=2,81 equation: 



(x+15)+x=2.81

We move all terms to the left:

(x+15)+x-(2.81)=0

We add all the numbers together, and all the variables

x+(x+15)-2.81=0

We get rid of parentheses

x+x+15-2.81=0

We add all the numbers together, and all the variables

2x+12.19=0

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

2x=-12.19

x=-12.19/2

x=-6+0.19/2

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