0.85x+0.90(100-x)=0.15x

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Solution for 0.85x+0.90(100-x)=0.15x equation:


0.85x + 0.90(100-x)=0.15x

We simplify the equation to the form, which is simple to understand 
0.85x + 0.90(100-x)=0.15x

Reorder the terms in parentheses
0.85x+(+90-0.9x)=0.15x

Remove unnecessary parentheses
 + 0.85x+90-0.9x=0.15x

We move all terms containing x to the left and all other terms to the right. 
 + 0.85x-0.9x-0.15x=-90

We simplify left and right side of the equation. 
-0.2x=-90

We divide both sides of the equation by -0.2 to get x. 
x=450

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