X-51=21

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Solution for X-51=21 equation: 


Simplifying
X + -51 = 21

Reorder the terms:
-51 + X = 21

Solving
-51 + X = 21

Solving for variable 'X'.

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

Add '51' to each side of the equation.
-51 + 51 + X = 21 + 51

Combine like terms: -51 + 51 = 0
0 + X = 21 + 51
X = 21 + 51

Combine like terms: 21 + 51 = 72
X = 72

Simplifying
X = 72

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