5a-a+8a=144

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Solution for 5a-a+8a=144 equation: 


Simplifying
5a + -1a + 8a = 144

Combine like terms: 5a + -1a = 4a
4a + 8a = 144

Combine like terms: 4a + 8a = 12a
12a = 144

Solving
12a = 144

Solving for variable 'a'.

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

Divide each side by '12'.
a = 12

Simplifying
a = 12

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