8+7b+6=21

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Solution for 8+7b+6=21 equation: 


Simplifying
8 + 7b + 6 = 21

Reorder the terms:
8 + 6 + 7b = 21

Combine like terms: 8 + 6 = 14
14 + 7b = 21

Solving
14 + 7b = 21

Solving for variable 'b'.

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

Add '-14' to each side of the equation.
14 + -14 + 7b = 21 + -14

Combine like terms: 14 + -14 = 0
0 + 7b = 21 + -14
7b = 21 + -14

Combine like terms: 21 + -14 = 7
7b = 7

Divide each side by '7'.
b = 1

Simplifying
b = 1

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