20x-7x=12+27

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Solution for 20x-7x=12+27 equation: 



20x-7x=12+27

We move all terms to the left:

20x-7x-(12+27)=0

We add all the numbers together, and all the variables

20x-7x-39=0

We add all the numbers together, and all the variables

13x-39=0

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

13x=39

x=39/13

x=3

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