x+(-21)=3

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Solution for x+(-21)=3 equation: 


Simplifying
x + (-21) = 3
x + -21 = 3

Reorder the terms:
-21 + x = 3

Solving
-21 + x = 3

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 = 3 + 21

Combine like terms: -21 + 21 = 0
0 + x = 3 + 21
x = 3 + 21

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

Simplifying
x = 24

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