3x+4x=9+47

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Solution for 3x+4x=9+47 equation: 



3x+4x=9+47

We move all terms to the left:

3x+4x-(9+47)=0

We add all the numbers together, and all the variables

3x+4x-56=0

We add all the numbers together, and all the variables

7x-56=0

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

7x=56

x=56/7

x=8

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