5y-4=9y

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Solution for 5y-4=9y equation:


Simplifying
5y + -4 = 9y

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

Solving
-4 + 5y = 9y

Solving for variable 'y'.

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

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

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

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

Add '4' to each side of the equation.
-4 + 4 + -4y = 0 + 4

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

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

Divide each side by '-4'.
y = -1

Simplifying
y = -1

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