3x+12(9-x)=54

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Solution for 3x+12(9-x)=54 equation: 



3x+12(9-x)=54

We move all terms to the left:

3x+12(9-x)-(54)=0

We add all the numbers together, and all the variables

3x+12(-1x+9)-54=0

We multiply parentheses

3x-12x+108-54=0

We add all the numbers together, and all the variables

-9x+54=0

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

-9x=-54

x=-54/-9

x=+6

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