20=-4(1+8b)+8b

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Solution for 20=-4(1+8b)+8b equation:


Simplifying
20 = -4(1 + 8b) + 8b
20 = (1 * -4 + 8b * -4) + 8b
20 = (-4 + -32b) + 8b

Combine like terms: -32b + 8b = -24b
20 = -4 + -24b

Solving
20 = -4 + -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.
20 + 24b = -4 + -24b + 24b

Combine like terms: -24b + 24b = 0
20 + 24b = -4 + 0
20 + 24b = -4

Add '-20' to each side of the equation.
20 + -20 + 24b = -4 + -20

Combine like terms: 20 + -20 = 0
0 + 24b = -4 + -20
24b = -4 + -20

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

Divide each side by '24'.
b = -1

Simplifying
b = -1

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