x+(x+12)=18^2

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Solution for x+(x+12)=18^2 equation: 



x+(x+12)=18^2

We move all terms to the left:

x+(x+12)-(18^2)=0

We add all the numbers together, and all the variables

x+(x+12)-324=0

We get rid of parentheses

x+x+12-324=0

We add all the numbers together, and all the variables

2x-312=0

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

2x=312

x=312/2

x=156

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