7x+3x+2x=28-7

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Solution for 7x+3x+2x=28-7 equation: 



7x+3x+2x=28-7

We move all terms to the left:

7x+3x+2x-(28-7)=0

We add all the numbers together, and all the variables

7x+3x+2x-21=0

We add all the numbers together, and all the variables

12x-21=0

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

12x=21

x=21/12

x=1+3/4

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