15=6+B

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Solution for 15=6+B equation:


Simplifying
15 = 6 + B

Solving
15 = 6 + B

Solving for variable 'B'.

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

Add '-1B' to each side of the equation.
15 + -1B = 6 + B + -1B

Combine like terms: B + -1B = 0
15 + -1B = 6 + 0
15 + -1B = 6

Add '-15' to each side of the equation.
15 + -15 + -1B = 6 + -15

Combine like terms: 15 + -15 = 0
0 + -1B = 6 + -15
-1B = 6 + -15

Combine like terms: 6 + -15 = -9
-1B = -9

Divide each side by '-1'.
B = 9

Simplifying
B = 9

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