21b-65=82

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Solution for 21b-65=82 equation:


Simplifying
21b + -65 = 82

Reorder the terms:
-65 + 21b = 82

Solving
-65 + 21b = 82

Solving for variable 'b'.

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

Add '65' to each side of the equation.
-65 + 65 + 21b = 82 + 65

Combine like terms: -65 + 65 = 0
0 + 21b = 82 + 65
21b = 82 + 65

Combine like terms: 82 + 65 = 147
21b = 147

Divide each side by '21'.
b = 7

Simplifying
b = 7

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