9x-3=21

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Solution for 9x-3=21 equation: 


Simplifying
9x + -3 = 21

Reorder the terms:
-3 + 9x = 21

Solving
-3 + 9x = 21

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 + 9x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 9x = 21 + 3
9x = 21 + 3

Combine like terms: 21 + 3 = 24
9x = 24

Divide each side by '9'.
x = 2.666666667

Simplifying
x = 2.666666667

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