Ax-3=0

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Solution for Ax-3=0 equation: 


Simplifying
Ax + -3 = 0

Reorder the terms:
-3 + xA = 0

Solving
-3 + xA = 0

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + xA = 0 + 3

Combine like terms: -3 + 3 = 0
0 + xA = 0 + 3
xA = 0 + 3

Combine like terms: 0 + 3 = 3
xA = 3

Divide each side by 'A'.
x = 3A-1

Simplifying
x = 3A-1

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