7x-12x=5x+4

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Solution for 7x-12x=5x+4 equation: 



7x-12x=5x+4

We move all terms to the left:

7x-12x-(5x+4)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-5x-5x-4=0

We add all the numbers together, and all the variables

-10x-4=0

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

-10x=4

x=4/-10

x=-2/5

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