-9a=12a-45

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Solution for -9a=12a-45 equation:


Simplifying
-9a = 12a + -45

Reorder the terms:
-9a = -45 + 12a

Solving
-9a = -45 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-9a + -12a = -45 + 12a + -12a

Combine like terms: -9a + -12a = -21a
-21a = -45 + 12a + -12a

Combine like terms: 12a + -12a = 0
-21a = -45 + 0
-21a = -45

Divide each side by '-21'.
a = 2.142857143

Simplifying
a = 2.142857143

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