(180-x)-1/2*(90-x)=99

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Solution for (180-x)-1/2*(90-x)=99 equation: 



(180-x)-1/2(90-x)=99

We move all terms to the left:

(180-x)-1/2(90-x)-(99)=0



Domain of the equation: 2(90-x)!=0

x∈R



We add all the numbers together, and all the variables

(-1x+180)-1/2(-1x+90)-99=0

We get rid of parentheses

-1x-1/2(-1x+90)+180-99=0

We multiply all the terms by the denominator


-1x*2(-1x+90)+180*2(-1x+90)-99*2(-1x+90)-1=0

Wy multiply elements

-2x^2(-+360x(--198x(--1=0

We use the square of the difference formula

-2x^2(-360x(+198x(+1=0

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