-9a-1=17

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Solution for -9a-1=17 equation: 


Simplifying
-9a + -1 = 17

Reorder the terms:
-1 + -9a = 17

Solving
-1 + -9a = 17

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 + -9a = 17 + 1

Combine like terms: -1 + 1 = 0
0 + -9a = 17 + 1
-9a = 17 + 1

Combine like terms: 17 + 1 = 18
-9a = 18

Divide each side by '-9'.
a = -2

Simplifying
a = -2

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