7(B+7)=91

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Solution for 7(B+7)=91 equation: 


Simplifying
7(B + 7) = 91

Reorder the terms:
7(7 + B) = 91
(7 * 7 + B * 7) = 91
(49 + 7B) = 91

Solving
49 + 7B = 91

Solving for variable 'B'.

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

Add '-49' to each side of the equation.
49 + -49 + 7B = 91 + -49

Combine like terms: 49 + -49 = 0
0 + 7B = 91 + -49
7B = 91 + -49

Combine like terms: 91 + -49 = 42
7B = 42

Divide each side by '7'.
B = 6

Simplifying
B = 6

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