20y+16=18y-9

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Solution for 20y+16=18y-9 equation: 


Simplifying
20y + 16 = 18y + -9

Reorder the terms:
16 + 20y = 18y + -9

Reorder the terms:
16 + 20y = -9 + 18y

Solving
16 + 20y = -9 + 18y

Solving for variable 'y'.

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

Add '-18y' to each side of the equation.
16 + 20y + -18y = -9 + 18y + -18y

Combine like terms: 20y + -18y = 2y
16 + 2y = -9 + 18y + -18y

Combine like terms: 18y + -18y = 0
16 + 2y = -9 + 0
16 + 2y = -9

Add '-16' to each side of the equation.
16 + -16 + 2y = -9 + -16

Combine like terms: 16 + -16 = 0
0 + 2y = -9 + -16
2y = -9 + -16

Combine like terms: -9 + -16 = -25
2y = -25

Divide each side by '2'.
y = -12.5

Simplifying
y = -12.5

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