12x+3=4x-15

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Solution for 12x+3=4x-15 equation: 



12x+3=4x-15

We move all terms to the left:

12x+3-(4x-15)=0

We get rid of parentheses

12x-4x+15+3=0

We add all the numbers together, and all the variables

8x+18=0

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

8x=-18

x=-18/8

x=-2+1/4

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