7x-8=4x+8+5

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Solution for 7x-8=4x+8+5 equation: 



7x-8=4x+8+5

We move all terms to the left:

7x-8-(4x+8+5)=0

We add all the numbers together, and all the variables

7x-(4x+13)-8=0

We get rid of parentheses

7x-4x-13-8=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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