(12+5b)+(4b+3b+15)=

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Solution for (12+5b)+(4b+3b+15)= equation:


Simplifying
(12 + 5b) + (4b + 3b + 15) = 0

Remove parenthesis around (12 + 5b)
12 + 5b + (4b + 3b + 15) = 0

Reorder the terms:
12 + 5b + (15 + 4b + 3b) = 0

Combine like terms: 4b + 3b = 7b
12 + 5b + (15 + 7b) = 0

Remove parenthesis around (15 + 7b)
12 + 5b + 15 + 7b = 0

Reorder the terms:
12 + 15 + 5b + 7b = 0

Combine like terms: 12 + 15 = 27
27 + 5b + 7b = 0

Combine like terms: 5b + 7b = 12b
27 + 12b = 0

Solving
27 + 12b = 0

Solving for variable 'b'.

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

Add '-27' to each side of the equation.
27 + -27 + 12b = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 12b = 0 + -27
12b = 0 + -27

Combine like terms: 0 + -27 = -27
12b = -27

Divide each side by '12'.
b = -2.25

Simplifying
b = -2.25

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