400=2x+.75x

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Solution for 400=2x+.75x equation: 



400=2x+.75x

We move all terms to the left:

400-(2x+.75x)=0

We add all the numbers together, and all the variables

-(+2.75x)+400=0

We get rid of parentheses

-2.75x+400=0

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

-2.75x=-400

x=-400/-2.75

x=145+1/2.2

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