20(11+b)=900

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Solution for 20(11+b)=900 equation: 



20(11+b)=900

We move all terms to the left:

20(11+b)-(900)=0

We add all the numbers together, and all the variables

20(b+11)-900=0

We multiply parentheses

20b+220-900=0

We add all the numbers together, and all the variables

20b-680=0

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

20b=680

b=680/20

b=34

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