21-b=6.75

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Solution for 21-b=6.75 equation:


Simplifying
21 + -1b = 6.75

Solving
21 + -1b = 6.75

Solving for variable 'b'.

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

Add '-21' to each side of the equation.
21 + -21 + -1b = 6.75 + -21

Combine like terms: 21 + -21 = 0
0 + -1b = 6.75 + -21
-1b = 6.75 + -21

Combine like terms: 6.75 + -21 = -14.25
-1b = -14.25

Divide each side by '-1'.
b = 14.25

Simplifying
b = 14.25

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