(90+x)+(90-x)=180

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Solution for (90+x)+(90-x)=180 equation: 



(90+x)+(90-x)=180

We move all terms to the left:

(90+x)+(90-x)-(180)=0

We add all the numbers together, and all the variables

(x+90)+(-1x+90)-180=0

We get rid of parentheses

x-1x+90+90-180=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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