180-2x=90+x

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Solution for 180-2x=90+x equation:



180-2x=90+x
We move all terms to the left:
180-2x-(90+x)=0
We add all the numbers together, and all the variables
-2x-(x+90)+180=0
We get rid of parentheses
-2x-x-90+180=0
We add all the numbers together, and all the variables
-3x+90=0
We move all terms containing x to the left, all other terms to the right
-3x=-90
x=-90/-3
x=+30

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