4a-5a+9y-y=

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Solution for 4a-5a+9y-y= equation:


Simplifying
4a + -5a + 9y + -1y = 0

Combine like terms: 4a + -5a = -1a
-1a + 9y + -1y = 0

Combine like terms: 9y + -1y = 8y
-1a + 8y = 0

Solving
-1a + 8y = 0

Solving for variable 'a'.

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

Add '-8y' to each side of the equation.
-1a + 8y + -8y = 0 + -8y

Combine like terms: 8y + -8y = 0
-1a + 0 = 0 + -8y
-1a = 0 + -8y
Remove the zero:
-1a = -8y

Divide each side by '-1'.
a = 8y

Simplifying
a = 8y

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