-15=2b-9

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Solution for -15=2b-9 equation:


Simplifying
-15 = 2b + -9

Reorder the terms:
-15 = -9 + 2b

Solving
-15 = -9 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-15 + -2b = -9 + 2b + -2b

Combine like terms: 2b + -2b = 0
-15 + -2b = -9 + 0
-15 + -2b = -9

Add '15' to each side of the equation.
-15 + 15 + -2b = -9 + 15

Combine like terms: -15 + 15 = 0
0 + -2b = -9 + 15
-2b = -9 + 15

Combine like terms: -9 + 15 = 6
-2b = 6

Divide each side by '-2'.
b = -3

Simplifying
b = -3

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