3a+8=-15

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Solution for 3a+8=-15 equation: 


Simplifying
3a + 8 = -15

Reorder the terms:
8 + 3a = -15

Solving
8 + 3a = -15

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 3a = -15 + -8

Combine like terms: 8 + -8 = 0
0 + 3a = -15 + -8
3a = -15 + -8

Combine like terms: -15 + -8 = -23
3a = -23

Divide each side by '3'.
a = -7.666666667

Simplifying
a = -7.666666667

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