20-y=19+2y

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Solution for 20-y=19+2y equation:


Simplifying
20 + -1y = 19 + 2y

Solving
20 + -1y = 19 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
20 + -1y + -2y = 19 + 2y + -2y

Combine like terms: -1y + -2y = -3y
20 + -3y = 19 + 2y + -2y

Combine like terms: 2y + -2y = 0
20 + -3y = 19 + 0
20 + -3y = 19

Add '-20' to each side of the equation.
20 + -20 + -3y = 19 + -20

Combine like terms: 20 + -20 = 0
0 + -3y = 19 + -20
-3y = 19 + -20

Combine like terms: 19 + -20 = -1
-3y = -1

Divide each side by '-3'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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