2+3a+a=

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Solution for 2+3a+a= equation: 


Simplifying
2 + 3a + a = 0

Combine like terms: 3a + a = 4a
2 + 4a = 0

Solving
2 + 4a = 0

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 = 0 + -2

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

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

Divide each side by '4'.
a = -0.5

Simplifying
a = -0.5

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