-x-3=30

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Solution for -x-3=30 equation: 



-x-3=30

We move all terms to the left:

-x-3-(30)=0

We add all the numbers together, and all the variables

-1x-33=0

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

-x=33

x=33/-1

x=-33

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