12x+3=5x+45

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Solution for 12x+3=5x+45 equation: 



12x+3=5x+45

We move all terms to the left:

12x+3-(5x+45)=0

We get rid of parentheses

12x-5x-45+3=0

We add all the numbers together, and all the variables

7x-42=0

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

7x=42

x=42/7

x=6

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