B=3(7a+2)+5-21a

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Solution for B=3(7a+2)+5-21a equation: 


Simplifying
B = 3(7a + 2) + 5 + -21a

Reorder the terms:
B = 3(2 + 7a) + 5 + -21a
B = (2 * 3 + 7a * 3) + 5 + -21a
B = (6 + 21a) + 5 + -21a

Reorder the terms:
B = 6 + 5 + 21a + -21a

Combine like terms: 6 + 5 = 11
B = 11 + 21a + -21a

Combine like terms: 21a + -21a = 0
B = 11 + 0
B = 11

Solving
B = 11

Solving for variable 'B'.

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

Simplifying
B = 11

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