13.5=a-2

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Solution for 13.5=a-2 equation:


Simplifying
13.5 = a + -2

Reorder the terms:
13.5 = -2 + a

Solving
13.5 = -2 + 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.
13.5 + -1a = -2 + a + -1a

Combine like terms: a + -1a = 0
13.5 + -1a = -2 + 0
13.5 + -1a = -2

Add '-13.5' to each side of the equation.
13.5 + -13.5 + -1a = -2 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + -1a = -2 + -13.5
-1a = -2 + -13.5

Combine like terms: -2 + -13.5 = -15.5
-1a = -15.5

Divide each side by '-1'.
a = 15.5

Simplifying
a = 15.5

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