19-2+21=X-2

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Solution for 19-2+21=X-2 equation:


Simplifying
19 + -2 + 21 = X + -2

Combine like terms: 19 + -2 = 17
17 + 21 = X + -2

Combine like terms: 17 + 21 = 38
38 = X + -2

Reorder the terms:
38 = -2 + X

Solving
38 = -2 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
38 + -1X = -2 + X + -1X

Combine like terms: X + -1X = 0
38 + -1X = -2 + 0
38 + -1X = -2

Add '-38' to each side of the equation.
38 + -38 + -1X = -2 + -38

Combine like terms: 38 + -38 = 0
0 + -1X = -2 + -38
-1X = -2 + -38

Combine like terms: -2 + -38 = -40
-1X = -40

Divide each side by '-1'.
X = 40

Simplifying
X = 40

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