7x+8=3x+4.

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



7x+8=3x+4.

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7x-3x-4+8=0

We add all the numbers together, and all the variables

4x+4=0

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

4x=-4

x=-4/4

x=-1

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