3+4x=7+12x

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Solution for 3+4x=7+12x equation: 



3+4x=7+12x

We move all terms to the left:

3+4x-(7+12x)=0

We add all the numbers together, and all the variables

4x-(12x+7)+3=0

We get rid of parentheses

4x-12x-7+3=0

We add all the numbers together, and all the variables

-8x-4=0

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

-8x=4

x=4/-8

x=-1/2

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