15+3y=2.5-.5y

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Solution for 15+3y=2.5-.5y equation:


Simplifying
15 + 3y = 2.5 + -0.5y

Solving
15 + 3y = 2.5 + -0.5y

Solving for variable 'y'.

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

Add '0.5y' to each side of the equation.
15 + 3y + 0.5y = 2.5 + -0.5y + 0.5y

Combine like terms: 3y + 0.5y = 3.5y
15 + 3.5y = 2.5 + -0.5y + 0.5y

Combine like terms: -0.5y + 0.5y = 0.0
15 + 3.5y = 2.5 + 0.0
15 + 3.5y = 2.5

Add '-15' to each side of the equation.
15 + -15 + 3.5y = 2.5 + -15

Combine like terms: 15 + -15 = 0
0 + 3.5y = 2.5 + -15
3.5y = 2.5 + -15

Combine like terms: 2.5 + -15 = -12.5
3.5y = -12.5

Divide each side by '3.5'.
y = -3.571428571

Simplifying
y = -3.571428571

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