6b+3+-3=21

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Solution for 6b+3+-3=21 equation: 


Simplifying
6b + 3 + -3 = 21

Reorder the terms:
3 + -3 + 6b = 21

Combine like terms: 3 + -3 = 0
0 + 6b = 21
6b = 21

Solving
6b = 21

Solving for variable 'b'.

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

Divide each side by '6'.
b = 3.5

Simplifying
b = 3.5

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