17=9+4a

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Solution for 17=9+4a equation:


Simplifying
17 = 9 + 4a

Solving
17 = 9 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
17 + -4a = 9 + 4a + -4a

Combine like terms: 4a + -4a = 0
17 + -4a = 9 + 0
17 + -4a = 9

Add '-17' to each side of the equation.
17 + -17 + -4a = 9 + -17

Combine like terms: 17 + -17 = 0
0 + -4a = 9 + -17
-4a = 9 + -17

Combine like terms: 9 + -17 = -8
-4a = -8

Divide each side by '-4'.
a = 2

Simplifying
a = 2

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