15.0+2y=20

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Solution for 15.0+2y=20 equation: 


Simplifying
15.0 + 2y = 20

Solving
15.0 + 2y = 20

Solving for variable 'y'.

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

Add '-15.0' to each side of the equation.
15.0 + -15.0 + 2y = 20 + -15.0

Combine like terms: 15.0 + -15.0 = 0.0
0.0 + 2y = 20 + -15.0
2y = 20 + -15.0

Combine like terms: 20 + -15.0 = 5
2y = 5

Divide each side by '2'.
y = 2.5

Simplifying
y = 2.5

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