0.40x+0.15(100-x)=x

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Solution for 0.40x+0.15(100-x)=x equation: 



0.40x+0.15(100-x)=x

We move all terms to the left:

0.40x+0.15(100-x)-(x)=0

We add all the numbers together, and all the variables

0.40x+0.15(-1x+100)-x=0

We add all the numbers together, and all the variables

-0.6x+0.15(-1x+100)=0

We multiply parentheses

-0.6x-0.15x+15=0

We add all the numbers together, and all the variables

-0.75x+15=0

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

-0.75x=-15

x=-15/-0.75

x=+20

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