5a=9a-20

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Solution for 5a=9a-20 equation: 


Simplifying
5a = 9a + -20

Reorder the terms:
5a = -20 + 9a

Solving
5a = -20 + 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.
5a + -9a = -20 + 9a + -9a

Combine like terms: 5a + -9a = -4a
-4a = -20 + 9a + -9a

Combine like terms: 9a + -9a = 0
-4a = -20 + 0
-4a = -20

Divide each side by '-4'.
a = 5

Simplifying
a = 5

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