5(80-b)=

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Solution for 5(80-b)= equation:


Simplifying
5(80 + -1b) = 0
(80 * 5 + -1b * 5) = 0
(400 + -5b) = 0

Solving
400 + -5b = 0

Solving for variable 'b'.

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

Add '-400' to each side of the equation.
400 + -400 + -5b = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -5b = 0 + -400
-5b = 0 + -400

Combine like terms: 0 + -400 = -400
-5b = -400

Divide each side by '-5'.
b = 80

Simplifying
b = 80

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