7B-3B=20

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Solution for 7B-3B=20 equation: 


Simplifying
7B + -3B = 20

Combine like terms: 7B + -3B = 4B
4B = 20

Solving
4B = 20

Solving for variable 'B'.

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

Divide each side by '4'.
B = 5

Simplifying
B = 5

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