5a-20+97+3a-5=180

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Solution for 5a-20+97+3a-5=180 equation:


Simplifying
5a + -20 + 97 + 3a + -5 = 180

Reorder the terms:
-20 + 97 + -5 + 5a + 3a = 180

Combine like terms: -20 + 97 = 77
77 + -5 + 5a + 3a = 180

Combine like terms: 77 + -5 = 72
72 + 5a + 3a = 180

Combine like terms: 5a + 3a = 8a
72 + 8a = 180

Solving
72 + 8a = 180

Solving for variable 'a'.

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

Add '-72' to each side of the equation.
72 + -72 + 8a = 180 + -72

Combine like terms: 72 + -72 = 0
0 + 8a = 180 + -72
8a = 180 + -72

Combine like terms: 180 + -72 = 108
8a = 108

Divide each side by '8'.
a = 13.5

Simplifying
a = 13.5

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