-5(6-b)=-20

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Solution for -5(6-b)=-20 equation:


Simplifying
-5(6 + -1b) = -20
(6 * -5 + -1b * -5) = -20
(-30 + 5b) = -20

Solving
-30 + 5b = -20

Solving for variable 'b'.

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

Add '30' to each side of the equation.
-30 + 30 + 5b = -20 + 30

Combine like terms: -30 + 30 = 0
0 + 5b = -20 + 30
5b = -20 + 30

Combine like terms: -20 + 30 = 10
5b = 10

Divide each side by '5'.
b = 2

Simplifying
b = 2

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