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

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


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

Solving
-8 + -32b = 20 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
-8 + -32b + 4b = 20 + -4b + 4b

Combine like terms: -32b + 4b = -28b
-8 + -28b = 20 + -4b + 4b

Combine like terms: -4b + 4b = 0
-8 + -28b = 20 + 0
-8 + -28b = 20

Add '8' to each side of the equation.
-8 + 8 + -28b = 20 + 8

Combine like terms: -8 + 8 = 0
0 + -28b = 20 + 8
-28b = 20 + 8

Combine like terms: 20 + 8 = 28
-28b = 28

Divide each side by '-28'.
b = -1

Simplifying
b = -1

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