-3b=12b+15

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


Simplifying
-3b = 12b + 15

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

Solving
-3b = 15 + 12b

Solving for variable 'b'.

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

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

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

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

Divide each side by '-15'.
b = -1

Simplifying
b = -1

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