x-21-6=18

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Solution for x-21-6=18 equation: 


Simplifying
x + -21 + -6 = 18

Reorder the terms:
-21 + -6 + x = 18

Combine like terms: -21 + -6 = -27
-27 + x = 18

Solving
-27 + x = 18

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + x = 18 + 27

Combine like terms: -27 + 27 = 0
0 + x = 18 + 27
x = 18 + 27

Combine like terms: 18 + 27 = 45
x = 45

Simplifying
x = 45

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