-9+9y=4y-13

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Solution for -9+9y=4y-13 equation:


Simplifying
-9 + 9y = 4y + -13

Reorder the terms:
-9 + 9y = -13 + 4y

Solving
-9 + 9y = -13 + 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.
-9 + 9y + -4y = -13 + 4y + -4y

Combine like terms: 9y + -4y = 5y
-9 + 5y = -13 + 4y + -4y

Combine like terms: 4y + -4y = 0
-9 + 5y = -13 + 0
-9 + 5y = -13

Add '9' to each side of the equation.
-9 + 9 + 5y = -13 + 9

Combine like terms: -9 + 9 = 0
0 + 5y = -13 + 9
5y = -13 + 9

Combine like terms: -13 + 9 = -4
5y = -4

Divide each side by '5'.
y = -0.8

Simplifying
y = -0.8

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