9y-13=5+7y

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


Simplifying
9y + -13 = 5 + 7y

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

Solving
-13 + 9y = 5 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-13 + 9y + -7y = 5 + 7y + -7y

Combine like terms: 9y + -7y = 2y
-13 + 2y = 5 + 7y + -7y

Combine like terms: 7y + -7y = 0
-13 + 2y = 5 + 0
-13 + 2y = 5

Add '13' to each side of the equation.
-13 + 13 + 2y = 5 + 13

Combine like terms: -13 + 13 = 0
0 + 2y = 5 + 13
2y = 5 + 13

Combine like terms: 5 + 13 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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