80-3a=5a+8

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Solution for 80-3a=5a+8 equation:


Simplifying
80 + -3a = 5a + 8

Reorder the terms:
80 + -3a = 8 + 5a

Solving
80 + -3a = 8 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
80 + -3a + -5a = 8 + 5a + -5a

Combine like terms: -3a + -5a = -8a
80 + -8a = 8 + 5a + -5a

Combine like terms: 5a + -5a = 0
80 + -8a = 8 + 0
80 + -8a = 8

Add '-80' to each side of the equation.
80 + -80 + -8a = 8 + -80

Combine like terms: 80 + -80 = 0
0 + -8a = 8 + -80
-8a = 8 + -80

Combine like terms: 8 + -80 = -72
-8a = -72

Divide each side by '-8'.
a = 9

Simplifying
a = 9

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