15=a-80

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Solution for 15=a-80 equation:


Simplifying
15 = a + -80

Reorder the terms:
15 = -80 + a

Solving
15 = -80 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
15 + -1a = -80 + a + -1a

Combine like terms: a + -1a = 0
15 + -1a = -80 + 0
15 + -1a = -80

Add '-15' to each side of the equation.
15 + -15 + -1a = -80 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = -80 + -15
-1a = -80 + -15

Combine like terms: -80 + -15 = -95
-1a = -95

Divide each side by '-1'.
a = 95

Simplifying
a = 95

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