x+4x+3x=75

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Solution for x+4x+3x=75 equation: 



x+4x+3x=75

We move all terms to the left:

x+4x+3x-(75)=0

We add all the numbers together, and all the variables

8x-75=0

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

8x=75

x=75/8

x=9+3/8

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