4(5-4b)=-60

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Solution for 4(5-4b)=-60 equation: 


Simplifying
4(5 + -4b) = -60
(5 * 4 + -4b * 4) = -60
(20 + -16b) = -60

Solving
20 + -16b = -60

Solving for variable 'b'.

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

Add '-20' to each side of the equation.
20 + -20 + -16b = -60 + -20

Combine like terms: 20 + -20 = 0
0 + -16b = -60 + -20
-16b = -60 + -20

Combine like terms: -60 + -20 = -80
-16b = -80

Divide each side by '-16'.
b = 5

Simplifying
b = 5

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