15x+400=17.5x

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Solution for 15x+400=17.5x equation:



15x+400=17.5x
We move all terms to the left:
15x+400-(17.5x)=0
We add all the numbers together, and all the variables
15x-(+17.5x)+400=0
We get rid of parentheses
15x-17.5x+400=0
We add all the numbers together, and all the variables
-2.5x+400=0
We move all terms containing x to the left, all other terms to the right
-2.5x=-400
x=-400/-2.5
x=+160

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