36=y(a+b)

Solution for 36=y(a+b) equation:

Simplifying
36 = y(a + b)
36 = (a * y + b * y)
36 = (ay + by)

Solving
36 = ay + by

Solving for variable 'a'.

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

Add '-1ay' to each side of the equation.
36 + -1ay = ay + -1ay + by

Combine like terms: ay + -1ay = 0
36 + -1ay = 0 + by
36 + -1ay = by

Add '-36' to each side of the equation.
36 + -36 + -1ay = -36 + by

Combine like terms: 36 + -36 = 0
0 + -1ay = -36 + by
-1ay = -36 + by

Divide each side by '-1y'.
a = 36y-1 + -1b

Simplifying
a = 36y-1 + -1b

Reorder the terms:
a = -1b + 36y-1