0=7(3-3b)

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Solution for 0=7(3-3b) equation:



0=7(3-3b)
We move all terms to the left:
0-(7(3-3b))=0
We add all the numbers together, and all the variables
-(7(-3b+3))+0=0
We add all the numbers together, and all the variables
-(7(-3b+3))=0
We calculate terms in parentheses: -(7(-3b+3)), so:
7(-3b+3)
We multiply parentheses
-21b+21
Back to the equation:
-(-21b+21)
We get rid of parentheses
21b-21=0
We move all terms containing b to the left, all other terms to the right
21b=21
b=21/21
b=1

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