3x-3=21+3

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Solution for 3x-3=21+3 equation: 


Simplifying
3x + -3 = 21 + 3

Reorder the terms:
-3 + 3x = 21 + 3

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

Solving
-3 + 3x = 24

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 + 3x = 24 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = 24 + 3
3x = 24 + 3

Combine like terms: 24 + 3 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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