a*2=4a

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Solution for a*2=4a equation: 


Simplifying
a * 2 = 4a

Reorder the terms for easier multiplication:
2a = 4a

Solving
2a = 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.
2a + -4a = 4a + -4a

Combine like terms: 2a + -4a = -2a
-2a = 4a + -4a

Combine like terms: 4a + -4a = 0
-2a = 0

Divide each side by '-2'.
a = 0

Simplifying
a = 0

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