4(b+5)=8b-4

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Solution for 4(b+5)=8b-4 equation:


Simplifying
4(b + 5) = 8b + -4

Reorder the terms:
4(5 + b) = 8b + -4
(5 * 4 + b * 4) = 8b + -4
(20 + 4b) = 8b + -4

Reorder the terms:
20 + 4b = -4 + 8b

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

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

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

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

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

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

Divide each side by '-4'.
b = 6

Simplifying
b = 6

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