1a+2a+3a=87

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Solution for 1a+2a+3a=87 equation: 


Simplifying
1a + 2a + 3a = 87

Combine like terms: 1a + 2a = 3a
3a + 3a = 87

Combine like terms: 3a + 3a = 6a
6a = 87

Solving
6a = 87

Solving for variable 'a'.

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

Divide each side by '6'.
a = 14.5

Simplifying
a = 14.5

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