-3a-1=-15

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Solution for -3a-1=-15 equation: 


Simplifying
-3a + -1 = -15

Reorder the terms:
-1 + -3a = -15

Solving
-1 + -3a = -15

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + -3a = -15 + 1

Combine like terms: -1 + 1 = 0
0 + -3a = -15 + 1
-3a = -15 + 1

Combine like terms: -15 + 1 = -14
-3a = -14

Divide each side by '-3'.
a = 4.666666667

Simplifying
a = 4.666666667

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