21b=14b-7

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Solution for 21b=14b-7 equation: 


Simplifying
21b = 14b + -7

Reorder the terms:
21b = -7 + 14b

Solving
21b = -7 + 14b

Solving for variable 'b'.

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

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

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

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

Divide each side by '7'.
b = -1

Simplifying
b = -1

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