b(10a-20)=

Solution for b(10a-20)= equation:

Simplifying
b(10a + -20) = 0

Reorder the terms:
b(-20 + 10a) = 0
(-20 * b + 10a * b) = 0

Reorder the terms:
(10ab + -20b) = 0
(10ab + -20b) = 0

Solving
10ab + -20b = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '20b' to each side of the equation.
10ab + -20b + 20b = 0 + 20b

Combine like terms: -20b + 20b = 0
10ab + 0 = 0 + 20b
10ab = 0 + 20b
Remove the zero:
10ab = 20b

Divide each side by '10b'.
a = 2

Simplifying
a = 2