a+2a+a=10

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Solution for a+2a+a=10 equation: 


Simplifying
a + 2a + a = 10

Combine like terms: a + 2a = 3a
3a + a = 10

Combine like terms: 3a + a = 4a
4a = 10

Solving
4a = 10

Solving for variable 'a'.

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

Divide each side by '4'.
a = 2.5

Simplifying
a = 2.5

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