9a+5-17a-12a=-105

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Solution for 9a+5-17a-12a=-105 equation:


Simplifying
9a + 5 + -17a + -12a = -105

Reorder the terms:
5 + 9a + -17a + -12a = -105

Combine like terms: 9a + -17a = -8a
5 + -8a + -12a = -105

Combine like terms: -8a + -12a = -20a
5 + -20a = -105

Solving
5 + -20a = -105

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 + -20a = -105 + -5

Combine like terms: 5 + -5 = 0
0 + -20a = -105 + -5
-20a = -105 + -5

Combine like terms: -105 + -5 = -110
-20a = -110

Divide each side by '-20'.
a = 5.5

Simplifying
a = 5.5

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