X+(-21)=-16

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Solution for X+(-21)=-16 equation: 


Simplifying
X + (-21) = -16
X + -21 = -16

Reorder the terms:
-21 + X = -16

Solving
-21 + X = -16

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 = -16 + 21

Combine like terms: -21 + 21 = 0
0 + X = -16 + 21
X = -16 + 21

Combine like terms: -16 + 21 = 5
X = 5

Simplifying
X = 5

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