12x=5x+420

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Solution for 12x=5x+420 equation: 



12x=5x+420

We move all terms to the left:

12x-(5x+420)=0

We get rid of parentheses

12x-5x-420=0

We add all the numbers together, and all the variables

7x-420=0

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

7x=420

x=420/7

x=60

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