12x+15=4x-5

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Solution for 12x+15=4x-5 equation: 



12x+15=4x-5

We move all terms to the left:

12x+15-(4x-5)=0

We get rid of parentheses

12x-4x+5+15=0

We add all the numbers together, and all the variables

8x+20=0

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

8x=-20

x=-20/8

x=-2+1/2

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