2b-9=d

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Solution for 2b-9=d equation: 


Simplifying
2b + -9 = d

Reorder the terms:
-9 + 2b = d

Solving
-9 + 2b = d

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 2b = 9 + d

Combine like terms: -9 + 9 = 0
0 + 2b = 9 + d
2b = 9 + d

Divide each side by '2'.
b = 4.5 + 0.5d

Simplifying
b = 4.5 + 0.5d

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