X+5-(-3)=-21

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Solution for X+5-(-3)=-21 equation: 


Simplifying
X + 5 + -1(-3) = -21

Multiply -1 * -3
X + 5 + 3 = -21

Reorder the terms:
5 + 3 + X = -21

Combine like terms: 5 + 3 = 8
8 + X = -21

Solving
8 + X = -21

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + -8 + X = -21 + -8

Combine like terms: 8 + -8 = 0
0 + X = -21 + -8
X = -21 + -8

Combine like terms: -21 + -8 = -29
X = -29

Simplifying
X = -29

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