20-3(2x+9)=11

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Solution for 20-3(2x+9)=11 equation: 



20-3(2x+9)=11

We move all terms to the left:

20-3(2x+9)-(11)=0

We add all the numbers together, and all the variables

-3(2x+9)+9=0

We multiply parentheses

-6x-27+9=0

We add all the numbers together, and all the variables

-6x-18=0

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

-6x=18

x=18/-6

x=-3

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