x+21=55

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Solution for x+21=55 equation: 


Simplifying
x + 21 = 55

Reorder the terms:
21 + x = 55

Solving
21 + x = 55

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 = 55 + -21

Combine like terms: 21 + -21 = 0
0 + x = 55 + -21
x = 55 + -21

Combine like terms: 55 + -21 = 34
x = 34

Simplifying
x = 34

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