(12b+5)-7(3b-1)+4(3b+6)=

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Solution for (12b+5)-7(3b-1)+4(3b+6)= equation:


Simplifying
(12b + 5) + -7(3b + -1) + 4(3b + 6) = 0

Reorder the terms:
(5 + 12b) + -7(3b + -1) + 4(3b + 6) = 0

Remove parenthesis around (5 + 12b)
5 + 12b + -7(3b + -1) + 4(3b + 6) = 0

Reorder the terms:
5 + 12b + -7(-1 + 3b) + 4(3b + 6) = 0
5 + 12b + (-1 * -7 + 3b * -7) + 4(3b + 6) = 0
5 + 12b + (7 + -21b) + 4(3b + 6) = 0

Reorder the terms:
5 + 12b + 7 + -21b + 4(6 + 3b) = 0
5 + 12b + 7 + -21b + (6 * 4 + 3b * 4) = 0
5 + 12b + 7 + -21b + (24 + 12b) = 0

Reorder the terms:
5 + 7 + 24 + 12b + -21b + 12b = 0

Combine like terms: 5 + 7 = 12
12 + 24 + 12b + -21b + 12b = 0

Combine like terms: 12 + 24 = 36
36 + 12b + -21b + 12b = 0

Combine like terms: 12b + -21b = -9b
36 + -9b + 12b = 0

Combine like terms: -9b + 12b = 3b
36 + 3b = 0

Solving
36 + 3b = 0

Solving for variable 'b'.

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

Add '-36' to each side of the equation.
36 + -36 + 3b = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 3b = 0 + -36
3b = 0 + -36

Combine like terms: 0 + -36 = -36
3b = -36

Divide each side by '3'.
b = -12

Simplifying
b = -12

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