12b+15=-18+3b

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Solution for 12b+15=-18+3b equation:


Simplifying
12b + 15 = -18 + 3b

Reorder the terms:
15 + 12b = -18 + 3b

Solving
15 + 12b = -18 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
15 + 12b + -3b = -18 + 3b + -3b

Combine like terms: 12b + -3b = 9b
15 + 9b = -18 + 3b + -3b

Combine like terms: 3b + -3b = 0
15 + 9b = -18 + 0
15 + 9b = -18

Add '-15' to each side of the equation.
15 + -15 + 9b = -18 + -15

Combine like terms: 15 + -15 = 0
0 + 9b = -18 + -15
9b = -18 + -15

Combine like terms: -18 + -15 = -33
9b = -33

Divide each side by '9'.
b = -3.666666667

Simplifying
b = -3.666666667

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