171=9a

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Solution for 171=9a equation:


Simplifying
171 = 9a

Solving
171 = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
171 + -9a = 9a + -9a

Combine like terms: 9a + -9a = 0
171 + -9a = 0

Add '-171' to each side of the equation.
171 + -171 + -9a = 0 + -171

Combine like terms: 171 + -171 = 0
0 + -9a = 0 + -171
-9a = 0 + -171

Combine like terms: 0 + -171 = -171
-9a = -171

Divide each side by '-9'.
a = 19

Simplifying
a = 19

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