-4(20+5b)=-(24b-40)

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Solution for -4(20+5b)=-(24b-40) equation:


Simplifying
-4(20 + 5b) = -1(24b + -40)
(20 * -4 + 5b * -4) = -1(24b + -40)
(-80 + -20b) = -1(24b + -40)

Reorder the terms:
-80 + -20b = -1(-40 + 24b)
-80 + -20b = (-40 * -1 + 24b * -1)
-80 + -20b = (40 + -24b)

Solving
-80 + -20b = 40 + -24b

Solving for variable 'b'.

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

Add '24b' to each side of the equation.
-80 + -20b + 24b = 40 + -24b + 24b

Combine like terms: -20b + 24b = 4b
-80 + 4b = 40 + -24b + 24b

Combine like terms: -24b + 24b = 0
-80 + 4b = 40 + 0
-80 + 4b = 40

Add '80' to each side of the equation.
-80 + 80 + 4b = 40 + 80

Combine like terms: -80 + 80 = 0
0 + 4b = 40 + 80
4b = 40 + 80

Combine like terms: 40 + 80 = 120
4b = 120

Divide each side by '4'.
b = 30

Simplifying
b = 30

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