3a+a+2=16

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Solution for 3a+a+2=16 equation: 


Simplifying
3a + a + 2 = 16

Reorder the terms:
2 + 3a + a = 16

Combine like terms: 3a + a = 4a
2 + 4a = 16

Solving
2 + 4a = 16

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 4a = 16 + -2

Combine like terms: 2 + -2 = 0
0 + 4a = 16 + -2
4a = 16 + -2

Combine like terms: 16 + -2 = 14
4a = 14

Divide each side by '4'.
a = 3.5

Simplifying
a = 3.5

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