20y-16=28y-9

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Solution for 20y-16=28y-9 equation:


Simplifying
20y + -16 = 28y + -9

Reorder the terms:
-16 + 20y = 28y + -9

Reorder the terms:
-16 + 20y = -9 + 28y

Solving
-16 + 20y = -9 + 28y

Solving for variable 'y'.

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

Add '-28y' to each side of the equation.
-16 + 20y + -28y = -9 + 28y + -28y

Combine like terms: 20y + -28y = -8y
-16 + -8y = -9 + 28y + -28y

Combine like terms: 28y + -28y = 0
-16 + -8y = -9 + 0
-16 + -8y = -9

Add '16' to each side of the equation.
-16 + 16 + -8y = -9 + 16

Combine like terms: -16 + 16 = 0
0 + -8y = -9 + 16
-8y = -9 + 16

Combine like terms: -9 + 16 = 7
-8y = 7

Divide each side by '-8'.
y = -0.875

Simplifying
y = -0.875

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