b+b+b+b+b is equal to 5b. That is because there are five b's being added up. 1+1+1+1+1 is 5 because there are five 1's being added up.
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2b + 2c or 2(b + c)
Algebra A and B Are Only The Beginning Of An algebra Level
It is: b minus b = zero
1. With boolean algebra, 1 + n is always equal to 1, no matter what the value of n is.
4b