7x+5x=54

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Solution for 7x+5x=54 equation: 



7x+5x=54

We move all terms to the left:

7x+5x-(54)=0

We add all the numbers together, and all the variables

12x-54=0

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

12x=54

x=54/12

x=4+1/2

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