(b+9)2=25

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Solution for (b+9)2=25 equation:


Simplifying
(b + 9) * 2 = 25

Reorder the terms:
(9 + b) * 2 = 25

Reorder the terms for easier multiplication:
2(9 + b) = 25
(9 * 2 + b * 2) = 25
(18 + 2b) = 25

Solving
18 + 2b = 25

Solving for variable 'b'.

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

Add '-18' to each side of the equation.
18 + -18 + 2b = 25 + -18

Combine like terms: 18 + -18 = 0
0 + 2b = 25 + -18
2b = 25 + -18

Combine like terms: 25 + -18 = 7
2b = 7

Divide each side by '2'.
b = 3.5

Simplifying
b = 3.5

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