2y+99=100-y

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Solution for 2y+99=100-y equation:


Simplifying
2y + 99 = 100 + -1y

Reorder the terms:
99 + 2y = 100 + -1y

Solving
99 + 2y = 100 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
99 + 2y + y = 100 + -1y + y

Combine like terms: 2y + y = 3y
99 + 3y = 100 + -1y + y

Combine like terms: -1y + y = 0
99 + 3y = 100 + 0
99 + 3y = 100

Add '-99' to each side of the equation.
99 + -99 + 3y = 100 + -99

Combine like terms: 99 + -99 = 0
0 + 3y = 100 + -99
3y = 100 + -99

Combine like terms: 100 + -99 = 1
3y = 1

Divide each side by '3'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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