30-2x=180

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Solution for 30-2x=180 equation: 



30-2x=180

We move all terms to the left:

30-2x-(180)=0

We add all the numbers together, and all the variables

-2x-150=0

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

-2x=150

x=150/-2

x=-75

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