69=18+B+18+B+B

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Solution for 69=18+B+18+B+B equation:


Simplifying
69 = 18 + B + 18 + B + B

Reorder the terms:
69 = 18 + 18 + B + B + B

Combine like terms: 18 + 18 = 36
69 = 36 + B + B + B

Combine like terms: B + B = 2B
69 = 36 + 2B + B

Combine like terms: 2B + B = 3B
69 = 36 + 3B

Solving
69 = 36 + 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.
69 + -3B = 36 + 3B + -3B

Combine like terms: 3B + -3B = 0
69 + -3B = 36 + 0
69 + -3B = 36

Add '-69' to each side of the equation.
69 + -69 + -3B = 36 + -69

Combine like terms: 69 + -69 = 0
0 + -3B = 36 + -69
-3B = 36 + -69

Combine like terms: 36 + -69 = -33
-3B = -33

Divide each side by '-3'.
B = 11

Simplifying
B = 11

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