9a+5=-3a-1

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Solution for 9a+5=-3a-1 equation:


Simplifying
9a + 5 = -3a + -1

Reorder the terms:
5 + 9a = -3a + -1

Reorder the terms:
5 + 9a = -1 + -3a

Solving
5 + 9a = -1 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
5 + 9a + 3a = -1 + -3a + 3a

Combine like terms: 9a + 3a = 12a
5 + 12a = -1 + -3a + 3a

Combine like terms: -3a + 3a = 0
5 + 12a = -1 + 0
5 + 12a = -1

Add '-5' to each side of the equation.
5 + -5 + 12a = -1 + -5

Combine like terms: 5 + -5 = 0
0 + 12a = -1 + -5
12a = -1 + -5

Combine like terms: -1 + -5 = -6
12a = -6

Divide each side by '12'.
a = -0.5

Simplifying
a = -0.5

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