21+-x=245

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Solution for 21+-x=245 equation: 


Simplifying
21 + -1x = 245

Solving
21 + -1x = 245

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 = 245 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 245 + -21
-1x = 245 + -21

Combine like terms: 245 + -21 = 224
-1x = 224

Divide each side by '-1'.
x = -224

Simplifying
x = -224

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