7x-(12-x)=228

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Solution for 7x-(12-x)=228 equation: 



7x-(12-x)=228

We move all terms to the left:

7x-(12-x)-(228)=0

We add all the numbers together, and all the variables

7x-(-1x+12)-228=0

We get rid of parentheses

7x+1x-12-228=0

We add all the numbers together, and all the variables

8x-240=0

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

8x=240

x=240/8

x=30

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