100=19+9y

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Solution for 100=19+9y equation:


Simplifying
100 = 19 + 9y

Solving
100 = 19 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
100 + -9y = 19 + 9y + -9y

Combine like terms: 9y + -9y = 0
100 + -9y = 19 + 0
100 + -9y = 19

Add '-100' to each side of the equation.
100 + -100 + -9y = 19 + -100

Combine like terms: 100 + -100 = 0
0 + -9y = 19 + -100
-9y = 19 + -100

Combine like terms: 19 + -100 = -81
-9y = -81

Divide each side by '-9'.
y = 9

Simplifying
y = 9

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