X+21=-4+31

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Solution for X+21=-4+31 equation: 


Simplifying
X + 21 = -4 + 31

Reorder the terms:
21 + X = -4 + 31

Combine like terms: -4 + 31 = 27
21 + X = 27

Solving
21 + X = 27

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 = 27 + -21

Combine like terms: 21 + -21 = 0
0 + X = 27 + -21
X = 27 + -21

Combine like terms: 27 + -21 = 6
X = 6

Simplifying
X = 6

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