(B-4)2-13=0

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Solution for (B-4)2-13=0 equation:


Simplifying
(B + -4) * 2 + -13 = 0

Reorder the terms:
(-4 + B) * 2 + -13 = 0

Reorder the terms for easier multiplication:
2(-4 + B) + -13 = 0
(-4 * 2 + B * 2) + -13 = 0
(-8 + 2B) + -13 = 0

Reorder the terms:
-8 + -13 + 2B = 0

Combine like terms: -8 + -13 = -21
-21 + 2B = 0

Solving
-21 + 2B = 0

Solving for variable 'B'.

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

Add '21' to each side of the equation.
-21 + 21 + 2B = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 2B = 0 + 21
2B = 0 + 21

Combine like terms: 0 + 21 = 21
2B = 21

Divide each side by '2'.
B = 10.5

Simplifying
B = 10.5

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