3x-8=x+420

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Solution for 3x-8=x+420 equation: 



3x-8=x+420

We move all terms to the left:

3x-8-(x+420)=0

We get rid of parentheses

3x-x-420-8=0

We add all the numbers together, and all the variables

2x-428=0

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

2x=428

x=428/2

x=214

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