9*20=x-2(x+6)

Solution for 9*20=x-2(x+6) equation:

9*20=x-2(x+6)

We move all terms to the left:

9*20-(x-2(x+6))=0

We add all the numbers together, and all the variables

-(x-2(x+6))+180=0


We calculate terms in parentheses: -(x-2(x+6)), so:

x-2(x+6)

We multiply parentheses

x-2x-12

We add all the numbers together, and all the variables

-1x-12

Back to the equation:

-(-1x-12)


We get rid of parentheses

1x+12+180=0

We add all the numbers together, and all the variables

x+192=0

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

x=-192