x=90-x/2

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Solution for x=90-x/2 equation: 



x=90-x/2

We move all terms to the left:

x-(90-x/2)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

x+x/2-90=0

We multiply all the terms by the denominator


x*2+x-90*2=0

We add all the numbers together, and all the variables

x+x*2-180=0

Wy multiply elements

x+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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