x+21=54

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Solution for x+21=54 equation: 


Simplifying
x + 21 = 54

Reorder the terms:
21 + x = 54

Solving
21 + x = 54

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + x = 54 + -21

Combine like terms: 21 + -21 = 0
0 + x = 54 + -21
x = 54 + -21

Combine like terms: 54 + -21 = 33
x = 33

Simplifying
x = 33

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