3x+8=12-4x

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Solution for 3x+8=12-4x equation: 



3x+8=12-4x

We move all terms to the left:

3x+8-(12-4x)=0

We add all the numbers together, and all the variables

3x-(-4x+12)+8=0

We get rid of parentheses

3x+4x-12+8=0

We add all the numbers together, and all the variables

7x-4=0

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

7x=4

x=4/7

x=4/7

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