b-2a=c

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Solution for b-2a=c equation: 


Simplifying
b + -2a = c

Reorder the terms:
-2a + b = c

Solving
-2a + b = c

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
-2a + b + -1b = -1b + c

Combine like terms: b + -1b = 0
-2a + 0 = -1b + c
-2a = -1b + c

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

Simplifying
a = 0.5b + -0.5c

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