x+24=21

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Solution for x+24=21 equation: 


Simplifying
x + 24 = 21

Reorder the terms:
24 + x = 21

Solving
24 + x = 21

Solving for variable 'x'.

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

Add '-24' to each side of the equation.
24 + -24 + x = 21 + -24

Combine like terms: 24 + -24 = 0
0 + x = 21 + -24
x = 21 + -24

Combine like terms: 21 + -24 = -3
x = -3

Simplifying
x = -3

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