6x+15=3x+12

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Solution for 6x+15=3x+12 equation: 



6x+15=3x+12

We move all terms to the left:

6x+15-(3x+12)=0

We get rid of parentheses

6x-3x-12+15=0

We add all the numbers together, and all the variables

3x+3=0

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

3x=-3

x=-3/3

x=-1

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