-7a-5a=-17

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Solution for -7a-5a=-17 equation: 


Simplifying
-7a + -5a = -17

Combine like terms: -7a + -5a = -12a
-12a = -17

Solving
-12a = -17

Solving for variable 'a'.

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

Divide each side by '-12'.
a = 1.416666667

Simplifying
a = 1.416666667

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