1/2(180-x)=2(90-x)-9

Solution for 1/2(180-x)=2(90-x)-9 equation:

1/2(180-x)=2(90-x)-9

We move all terms to the left:

1/2(180-x)-(2(90-x)-9)=0


Domain of the equation: 2(180-x)!=0

x∈R


We add all the numbers together, and all the variables

1/2(-1x+180)-(2(-1x+90)-9)=0

We multiply all the terms by the denominator


-((2(-1x+90)-9))*2(-1x+180)+1=0


We calculate terms in parentheses: -((2(-1x+90)-9))*2(-1x+180), so:

(2(-1x+90)-9))*2(-1x+180

We add all the numbers together, and all the variables

-1x+(2(-1x+90)-9))*2(+180

Back to the equation:

-(-1x+(2(-1x+90)-9))*2(+180)


We add all the numbers together, and all the variables

-(-1x+(2(-1x+90)-9))*2180+1=0

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

-(-1x+(2(-1x+90)-9))*2180=-1