7b-14=21

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Solution for 7b-14=21 equation: 


Simplifying
7b + -14 = 21

Reorder the terms:
-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 = 35
7b = 35

Divide each side by '7'.
b = 5

Simplifying
b = 5

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