3+(8+x)=12

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Solution for 3+(8+x)=12 equation: 



3+(8+x)=12

We move all terms to the left:

3+(8+x)-(12)=0

We add all the numbers together, and all the variables

(x+8)+3-12=0

We add all the numbers together, and all the variables

(x+8)-9=0

We get rid of parentheses

x+8-9=0

We add all the numbers together, and all the variables

x-1=0

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

x=1

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