2x+3-3=21-3

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Solution for 2x+3-3=21-3 equation: 


Simplifying
2x + 3 + -3 = 21 + -3

Reorder the terms:
3 + -3 + 2x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 21 + -3
2x = 21 + -3

Combine like terms: 21 + -3 = 18
2x = 18

Solving
2x = 18

Solving for variable 'x'.

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

Divide each side by '2'.
x = 9

Simplifying
x = 9

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