2y+4-9=16

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Solution for 2y+4-9=16 equation: 


Simplifying
2y + 4 + -9 = 16

Reorder the terms:
4 + -9 + 2y = 16

Combine like terms: 4 + -9 = -5
-5 + 2y = 16

Solving
-5 + 2y = 16

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 2y = 16 + 5

Combine like terms: -5 + 5 = 0
0 + 2y = 16 + 5
2y = 16 + 5

Combine like terms: 16 + 5 = 21
2y = 21

Divide each side by '2'.
y = 10.5

Simplifying
y = 10.5

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