x=0.15(100-x)

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Solution for x=0.15(100-x) equation: 



x=0.15(100-x)

We move all terms to the left:

x-(0.15(100-x))=0

We add all the numbers together, and all the variables

x-(0.15(-1x+100))=0



We calculate terms in parentheses: -(0.15(-1x+100)), so:

0.15(-1x+100)

We multiply parentheses

-0.15x+15

Back to the equation:

-(-0.15x+15)



We get rid of parentheses

x+0.15x-15=0

We add all the numbers together, and all the variables

1.15x-15=0

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

1.15x=15

x=15/1.15

x=13+0.050000000000001/1.15

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