81-2a-10=2a-2

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Solution for 81-2a-10=2a-2 equation:


Simplifying
81 + -2a + -10 = 2a + -2

Reorder the terms:
81 + -10 + -2a = 2a + -2

Combine like terms: 81 + -10 = 71
71 + -2a = 2a + -2

Reorder the terms:
71 + -2a = -2 + 2a

Solving
71 + -2a = -2 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
71 + -2a + -2a = -2 + 2a + -2a

Combine like terms: -2a + -2a = -4a
71 + -4a = -2 + 2a + -2a

Combine like terms: 2a + -2a = 0
71 + -4a = -2 + 0
71 + -4a = -2

Add '-71' to each side of the equation.
71 + -71 + -4a = -2 + -71

Combine like terms: 71 + -71 = 0
0 + -4a = -2 + -71
-4a = -2 + -71

Combine like terms: -2 + -71 = -73
-4a = -73

Divide each side by '-4'.
a = 18.25

Simplifying
a = 18.25

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