4x-5=7+x=

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



4x-5=7+x=

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

4x-x-7-5=0

We add all the numbers together, and all the variables

3x-12=0

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

3x=12

x=12/3

x=4

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