7y-13-8y=5y+9-9y

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Solution for 7y-13-8y=5y+9-9y equation: 


Simplifying
7y + -13 + -8y = 5y + 9 + -9y

Reorder the terms:
-13 + 7y + -8y = 5y + 9 + -9y

Combine like terms: 7y + -8y = -1y
-13 + -1y = 5y + 9 + -9y

Reorder the terms:
-13 + -1y = 9 + 5y + -9y

Combine like terms: 5y + -9y = -4y
-13 + -1y = 9 + -4y

Solving
-13 + -1y = 9 + -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.
-13 + -1y + 4y = 9 + -4y + 4y

Combine like terms: -1y + 4y = 3y
-13 + 3y = 9 + -4y + 4y

Combine like terms: -4y + 4y = 0
-13 + 3y = 9 + 0
-13 + 3y = 9

Add '13' to each side of the equation.
-13 + 13 + 3y = 9 + 13

Combine like terms: -13 + 13 = 0
0 + 3y = 9 + 13
3y = 9 + 13

Combine like terms: 9 + 13 = 22
3y = 22

Divide each side by '3'.
y = 7.333333333

Simplifying
y = 7.333333333

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