9y-4a=18

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Solution for 9y-4a=18 equation:


Simplifying
9y + -4a = 18

Reorder the terms:
-4a + 9y = 18

Solving
-4a + 9y = 18

Solving for variable 'a'.

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

Add '-9y' to each side of the equation.
-4a + 9y + -9y = 18 + -9y

Combine like terms: 9y + -9y = 0
-4a + 0 = 18 + -9y
-4a = 18 + -9y

Divide each side by '-4'.
a = -4.5 + 2.25y

Simplifying
a = -4.5 + 2.25y

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