15-5y=100

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Solution for 15-5y=100 equation: 


Simplifying
15 + -5y = 100

Solving
15 + -5y = 100

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -5y = 100 + -15

Combine like terms: 15 + -15 = 0
0 + -5y = 100 + -15
-5y = 100 + -15

Combine like terms: 100 + -15 = 85
-5y = 85

Divide each side by '-5'.
y = -17

Simplifying
y = -17

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