The value of the coefficient B will be 9.
<h3>What will be the value of B in equation written below?</h3>
2(x+By)(x-2y)
=2(x^2 -2xy +Bxy -2By^2)
=2x^2 -4xy + 2Bxy - 4By^2
The original form is 

hence the value of B=9
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Given the following equation:

The given equation can be written using the commutative property
Where: a + b = b + a
So, the given equation can be written as follows:

So, the answer will be: 16 = z - 9
12% because 28.00 divided by 3.36

Steps:
First we cross multiply
Then Distribute,
Then move all terms to one side
Factor
Set each factor equal to zero
Inverse property of multiplication
(a*1/a=1)