90-x=x/2

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Solution for 90-x=x/2 equation: 



90-x=x/2

We move all terms to the left:

90-x-(x/2)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1x-(+x/2)+90=0

We get rid of parentheses

-1x-x/2+90=0

We multiply all the terms by the denominator


-1x*2-x+90*2=0

We add all the numbers together, and all the variables

-1x-1x*2+180=0

Wy multiply elements

-1x-2x+180=0

We add all the numbers together, and all the variables

-3x+180=0

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

-3x=-180

x=-180/-3

x=+60

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