20=-2(24-b)+3(b-4)

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Solution for 20=-2(24-b)+3(b-4) equation:


Simplifying
20 = -2(24 + -1b) + 3(b + -4)
20 = (24 * -2 + -1b * -2) + 3(b + -4)
20 = (-48 + 2b) + 3(b + -4)

Reorder the terms:
20 = -48 + 2b + 3(-4 + b)
20 = -48 + 2b + (-4 * 3 + b * 3)
20 = -48 + 2b + (-12 + 3b)

Reorder the terms:
20 = -48 + -12 + 2b + 3b

Combine like terms: -48 + -12 = -60
20 = -60 + 2b + 3b

Combine like terms: 2b + 3b = 5b
20 = -60 + 5b

Solving
20 = -60 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
20 + -5b = -60 + 5b + -5b

Combine like terms: 5b + -5b = 0
20 + -5b = -60 + 0
20 + -5b = -60

Add '-20' to each side of the equation.
20 + -20 + -5b = -60 + -20

Combine like terms: 20 + -20 = 0
0 + -5b = -60 + -20
-5b = -60 + -20

Combine like terms: -60 + -20 = -80
-5b = -80

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

Simplifying
b = 16

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