x+(-13)=21

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Solution for x+(-13)=21 equation: 


Simplifying
x + (-13) = 21
x + -13 = 21

Reorder the terms:
-13 + x = 21

Solving
-13 + x = 21

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + x = 21 + 13

Combine like terms: -13 + 13 = 0
0 + x = 21 + 13
x = 21 + 13

Combine like terms: 21 + 13 = 34
x = 34

Simplifying
x = 34

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