(x+90)/2=3x

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Solution for (x+90)/2=3x equation: 



(x+90)/2=3x

We move all terms to the left:

(x+90)/2-(3x)=0

We add all the numbers together, and all the variables

-3x+(x+90)/2=0

We multiply all the terms by the denominator


-3x*2+(x+90)=0

Wy multiply elements

-6x+(x+90)=0

We get rid of parentheses

-6x+x+90=0

We add all the numbers together, and all the variables

-5x+90=0

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

-5x=-90

x=-90/-5

x=+18

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