13+2y=9

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Solution for 13+2y=9 equation: 


Simplifying
13 + 2y = 9

Solving
13 + 2y = 9

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + 2y = 9 + -13

Combine like terms: 13 + -13 = 0
0 + 2y = 9 + -13
2y = 9 + -13

Combine like terms: 9 + -13 = -4
2y = -4

Divide each side by '2'.
y = -2

Simplifying
y = -2

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