2y-9=20y+99

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Solution for 2y-9=20y+99 equation:


Simplifying
2y + -9 = 20y + 99

Reorder the terms:
-9 + 2y = 20y + 99

Reorder the terms:
-9 + 2y = 99 + 20y

Solving
-9 + 2y = 99 + 20y

Solving for variable 'y'.

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

Add '-20y' to each side of the equation.
-9 + 2y + -20y = 99 + 20y + -20y

Combine like terms: 2y + -20y = -18y
-9 + -18y = 99 + 20y + -20y

Combine like terms: 20y + -20y = 0
-9 + -18y = 99 + 0
-9 + -18y = 99

Add '9' to each side of the equation.
-9 + 9 + -18y = 99 + 9

Combine like terms: -9 + 9 = 0
0 + -18y = 99 + 9
-18y = 99 + 9

Combine like terms: 99 + 9 = 108
-18y = 108

Divide each side by '-18'.
y = -6

Simplifying
y = -6

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