1(X-21)=2

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Solution for 1(X-21)=2 equation: 


Simplifying
1(X + -21) = 2

Reorder the terms:
1(-21 + X) = 2
(-21 * 1 + X * 1) = 2
(-21 + 1X) = 2

Solving
-21 + 1X = 2

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 + 1X = 2 + 21

Combine like terms: -21 + 21 = 0
0 + 1X = 2 + 21
1X = 2 + 21

Combine like terms: 2 + 21 = 23
1X = 23

Divide each side by '1'.
X = 23

Simplifying
X = 23

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