12-x=3(x+3)+1

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Solution for 12-x=3(x+3)+1 equation: 



12-x=3(x+3)+1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(3(x+3)+1), so:

3(x+3)+1

We multiply parentheses

3x+9+1

We add all the numbers together, and all the variables

3x+10

Back to the equation:

-(3x+10)



We get rid of parentheses

-1x-3x-10+12=0

We add all the numbers together, and all the variables

-4x+2=0

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

-4x=-2

x=-2/-4

x=1/2

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