7x+4x-3x=12+4

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Solution for 7x+4x-3x=12+4 equation: 



7x+4x-3x=12+4

We move all terms to the left:

7x+4x-3x-(12+4)=0

We add all the numbers together, and all the variables

7x+4x-3x-16=0

We add all the numbers together, and all the variables

8x-16=0

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

8x=16

x=16/8

x=2

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