-21=x-2

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Solution for -21=x-2 equation:


Simplifying
-21 = x + -2

Reorder the terms:
-21 = -2 + x

Solving
-21 = -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.
-21 + -1x = -2 + x + -1x

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

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 = 19
-1x = 19

Divide each side by '-1'.
x = -19

Simplifying
x = -19

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