21x=20x+3

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Solution for 21x=20x+3 equation:


Simplifying
21x = 20x + 3

Reorder the terms:
21x = 3 + 20x

Solving
21x = 3 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
21x + -20x = 3 + 20x + -20x

Combine like terms: 21x + -20x = 1x
1x = 3 + 20x + -20x

Combine like terms: 20x + -20x = 0
1x = 3 + 0
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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