-5-12a^2=-209

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Solution for -5-12a^2=-209 equation: 


Simplifying
-5 + -12a2 = -209

Solving
-5 + -12a2 = -209

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -12a2 = -209 + 5

Combine like terms: -5 + 5 = 0
0 + -12a2 = -209 + 5
-12a2 = -209 + 5

Combine like terms: -209 + 5 = -204
-12a2 = -204

Divide each side by '-12'.
a2 = 17

Simplifying
a2 = 17

Take the square root of each side:
a = {-4.123105626, 4.123105626}

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