X+25=21

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Solution for X+25=21 equation: 


Simplifying
X + 25 = 21

Reorder the terms:
25 + X = 21

Solving
25 + X = 21

Solving for variable 'X'.

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

Add '-25' to each side of the equation.
25 + -25 + X = 21 + -25

Combine like terms: 25 + -25 = 0
0 + X = 21 + -25
X = 21 + -25

Combine like terms: 21 + -25 = -4
X = -4

Simplifying
X = -4

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