A*4A=4

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Solution for A*4A=4 equation: 


Simplifying
A * 4A = 4

Reorder the terms for easier multiplication:
4A * A = 4

Multiply A * A
4A2 = 4

Solving
4A2 = 4

Solving for variable 'A'.

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

Divide each side by '4'.
A2 = 1

Simplifying
A2 = 1

Take the square root of each side:
A = {-1, 1}

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