5y-9=4y-9

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


Simplifying
5y + -9 = 4y + -9

Reorder the terms:
-9 + 5y = 4y + -9

Reorder the terms:
-9 + 5y = -9 + 4y

Add '9' to each side of the equation.
-9 + 9 + 5y = -9 + 9 + 4y

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

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

Solving
5y = 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
5y + -4y = 4y + -4y

Combine like terms: 5y + -4y = 1y
1y = 4y + -4y

Combine like terms: 4y + -4y = 0
1y = 0

Divide each side by '1'.
y = 0

Simplifying
y = 0

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