3x+9+5x=57

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Solution for 3x+9+5x=57 equation: 



3x+9+5x=57

We move all terms to the left:

3x+9+5x-(57)=0

We add all the numbers together, and all the variables

8x-48=0

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

8x=48

x=48/8

x=6

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