7B+21=O

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Solution for 7B+21=O equation: 


Simplifying
7B + 21 = O

Reorder the terms:
21 + 7B = O

Solving
21 + 7B = O

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 + 7B = -21 + O

Combine like terms: 21 + -21 = 0
0 + 7B = -21 + O
7B = -21 + O

Divide each side by '7'.
B = -3 + 0.1428571429O

Simplifying
B = -3 + 0.1428571429O

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