8=30-4x

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Solution for 8=30-4x equation: 



8=30-4x

We move all terms to the left:

8-(30-4x)=0

We add all the numbers together, and all the variables

-(-4x+30)+8=0

We get rid of parentheses

4x-30+8=0

We add all the numbers together, and all the variables

4x-22=0

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

4x=22

x=22/4

x=5+1/2

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