4x+12x=320.X=20

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Solution for 4x+12x=320.X=20 equation: 



4x+12x=320.x=20

We move all terms to the left:

4x+12x-(320.x)=0

We add all the numbers together, and all the variables

4x+12x-(+320.x)=0

We add all the numbers together, and all the variables

16x-(+320.x)=0

We get rid of parentheses

16x-320.x=0

We add all the numbers together, and all the variables

-304x=0

x=0/-304

x=0

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