15(b+9)=405

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Solution for 15(b+9)=405 equation: 



15(b+9)=405

We move all terms to the left:

15(b+9)-(405)=0

We multiply parentheses

15b+135-405=0

We add all the numbers together, and all the variables

15b-270=0

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

15b=270

b=270/15

b=18

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