7x-4=8+3x

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Solution for 7x-4=8+3x equation: 



7x-4=8+3x

We move all terms to the left:

7x-4-(8+3x)=0

We add all the numbers together, and all the variables

7x-(3x+8)-4=0

We get rid of parentheses

7x-3x-8-4=0

We add all the numbers together, and all the variables

4x-12=0

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

4x=12

x=12/4

x=3

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