-4(1-7b)-8b=20+8b

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Solution for -4(1-7b)-8b=20+8b equation: 


Simplifying
-4(1 + -7b) + -8b = 20 + 8b
(1 * -4 + -7b * -4) + -8b = 20 + 8b
(-4 + 28b) + -8b = 20 + 8b

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

Solving
-4 + 20b = 20 + 8b

Solving for variable 'b'.

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

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

Combine like terms: 20b + -8b = 12b
-4 + 12b = 20 + 8b + -8b

Combine like terms: 8b + -8b = 0
-4 + 12b = 20 + 0
-4 + 12b = 20

Add '4' to each side of the equation.
-4 + 4 + 12b = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 12b = 20 + 4
12b = 20 + 4

Combine like terms: 20 + 4 = 24
12b = 24

Divide each side by '12'.
b = 2

Simplifying
b = 2

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