7+2a+a=0

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Solution for 7+2a+a=0 equation: 


Simplifying
7 + 2a + a = 0

Combine like terms: 2a + a = 3a
7 + 3a = 0

Solving
7 + 3a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 3a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3a = 0 + -7
3a = 0 + -7

Combine like terms: 0 + -7 = -7
3a = -7

Divide each side by '3'.
a = -2.333333333

Simplifying
a = -2.333333333

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