9x-a=13

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Solution for 9x-a=13 equation:


Simplifying
9x + -1a = 13

Reorder the terms:
-1a + 9x = 13

Solving
-1a + 9x = 13

Solving for variable 'a'.

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

Add '-9x' to each side of the equation.
-1a + 9x + -9x = 13 + -9x

Combine like terms: 9x + -9x = 0
-1a + 0 = 13 + -9x
-1a = 13 + -9x

Divide each side by '-1'.
a = -13 + 9x

Simplifying
a = -13 + 9x

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