17+a=8

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Solution for 17+a=8 equation: 


Simplifying
17 + a = 8

Solving
17 + a = 8

Solving for variable 'a'.

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

Add '-17' to each side of the equation.
17 + -17 + a = 8 + -17

Combine like terms: 17 + -17 = 0
0 + a = 8 + -17
a = 8 + -17

Combine like terms: 8 + -17 = -9
a = -9

Simplifying
a = -9

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