66-x+78-2x=180

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Solution for 66-x+78-2x=180 equation:



66-x+78-2x=180
We move all terms to the left:
66-x+78-2x-(180)=0
We add all the numbers together, and all the variables
-3x-36=0
We move all terms containing x to the left, all other terms to the right
-3x=36
x=36/-3
x=-12

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