a+z=91

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Solution for a+z=91 equation: 


Simplifying
a + z = 91

Solving
a + z = 91

Solving for variable 'a'.

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

Add '-1z' to each side of the equation.
a + z + -1z = 91 + -1z

Combine like terms: z + -1z = 0
a + 0 = 91 + -1z
a = 91 + -1z

Simplifying
a = 91 + -1z

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