(b+4)2=49

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Solution for (b+4)2=49 equation:


Simplifying
(b + 4) * 2 = 49

Reorder the terms:
(4 + b) * 2 = 49

Reorder the terms for easier multiplication:
2(4 + b) = 49
(4 * 2 + b * 2) = 49
(8 + 2b) = 49

Solving
8 + 2b = 49

Solving for variable 'b'.

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

Add '-8' to each side of the equation.
8 + -8 + 2b = 49 + -8

Combine like terms: 8 + -8 = 0
0 + 2b = 49 + -8
2b = 49 + -8

Combine like terms: 49 + -8 = 41
2b = 41

Divide each side by '2'.
b = 20.5

Simplifying
b = 20.5

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