-9=5+2y

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Solution for -9=5+2y equation:


Simplifying
-9 = 5 + 2y

Solving
-9 = 5 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-9 + -2y = 5 + 2y + -2y

Combine like terms: 2y + -2y = 0
-9 + -2y = 5 + 0
-9 + -2y = 5

Add '9' to each side of the equation.
-9 + 9 + -2y = 5 + 9

Combine like terms: -9 + 9 = 0
0 + -2y = 5 + 9
-2y = 5 + 9

Combine like terms: 5 + 9 = 14
-2y = 14

Divide each side by '-2'.
y = -7

Simplifying
y = -7

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