2b-15=a

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Solution for 2b-15=a equation: 


Simplifying
2b + -15 = a

Reorder the terms:
-15 + 2b = a

Solving
-15 + 2b = a

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 2b = 15 + a

Combine like terms: -15 + 15 = 0
0 + 2b = 15 + a
2b = 15 + a

Divide each side by '2'.
b = 7.5 + 0.5a

Simplifying
b = 7.5 + 0.5a

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