7x=12-5+7

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



7x=12-5+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x-14=0

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

7x=14

x=14/7

x=2

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