12x-15=30x-3

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Solution for 12x-15=30x-3 equation: 



12x-15=30x-3

We move all terms to the left:

12x-15-(30x-3)=0

We get rid of parentheses

12x-30x+3-15=0

We add all the numbers together, and all the variables

-18x-12=0

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

-18x=12

x=12/-18

x=-2/3

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