12-30=-x+4

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Solution for 12-30=-x+4 equation: 



12-30=-x+4

We move all terms to the left:

12-30-(-x+4)=0

We add all the numbers together, and all the variables

-(-1x+4)+12-30=0

We add all the numbers together, and all the variables

-(-1x+4)-18=0

We get rid of parentheses

1x-4-18=0

We add all the numbers together, and all the variables

x-22=0

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

x=22

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