3a-1a=5

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Solution for 3a-1a=5 equation: 


Simplifying
3a + -1a = 5

Combine like terms: 3a + -1a = 2a
2a = 5

Solving
2a = 5

Solving for variable 'a'.

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

Divide each side by '2'.
a = 2.5

Simplifying
a = 2.5

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