2y-a=r

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Solution for 2y-a=r equation:


Simplifying
2y + -1a = r

Reorder the terms:
-1a + 2y = r

Solving
-1a + 2y = r

Solving for variable 'a'.

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

Add '-2y' to each side of the equation.
-1a + 2y + -2y = r + -2y

Combine like terms: 2y + -2y = 0
-1a + 0 = r + -2y
-1a = r + -2y

Divide each side by '-1'.
a = -1r + 2y

Simplifying
a = -1r + 2y

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