7x+5x=28

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Solution for 7x+5x=28 equation: 



7x+5x=28

We move all terms to the left:

7x+5x-(28)=0

We add all the numbers together, and all the variables

12x-28=0

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

12x=28

x=28/12

x=2+1/3

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