23+9y-7y=9

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Solution for 23+9y-7y=9 equation: 


Simplifying
23 + 9y + -7y = 9

Combine like terms: 9y + -7y = 2y
23 + 2y = 9

Solving
23 + 2y = 9

Solving for variable 'y'.

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

Add '-23' to each side of the equation.
23 + -23 + 2y = 9 + -23

Combine like terms: 23 + -23 = 0
0 + 2y = 9 + -23
2y = 9 + -23

Combine like terms: 9 + -23 = -14
2y = -14

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

Simplifying
y = -7

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