a=4a-45

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Solution for a=4a-45 equation: 


Simplifying
a = 4a + -45

Reorder the terms:
a = -45 + 4a

Solving
a = -45 + 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.
a + -4a = -45 + 4a + -4a

Combine like terms: a + -4a = -3a
-3a = -45 + 4a + -4a

Combine like terms: 4a + -4a = 0
-3a = -45 + 0
-3a = -45

Divide each side by '-3'.
a = 15

Simplifying
a = 15

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