3x+4x+5x=450

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Solution for 3x+4x+5x=450 equation: 



3x+4x+5x=450

We move all terms to the left:

3x+4x+5x-(450)=0

We add all the numbers together, and all the variables

12x-450=0

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

12x=450

x=450/12

x=37+1/2

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