4(b+5)-5=12+b

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Solution for 4(b+5)-5=12+b equation:


Simplifying
4(b + 5) + -5 = 12 + b

Reorder the terms:
4(5 + b) + -5 = 12 + b
(5 * 4 + b * 4) + -5 = 12 + b
(20 + 4b) + -5 = 12 + b

Reorder the terms:
20 + -5 + 4b = 12 + b

Combine like terms: 20 + -5 = 15
15 + 4b = 12 + b

Solving
15 + 4b = 12 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
15 + 4b + -1b = 12 + b + -1b

Combine like terms: 4b + -1b = 3b
15 + 3b = 12 + b + -1b

Combine like terms: b + -1b = 0
15 + 3b = 12 + 0
15 + 3b = 12

Add '-15' to each side of the equation.
15 + -15 + 3b = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 3b = 12 + -15
3b = 12 + -15

Combine like terms: 12 + -15 = -3
3b = -3

Divide each side by '3'.
b = -1

Simplifying
b = -1

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