I+(-21)=-58

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Solution for I+(-21)=-58 equation: 


Simplifying
I + (-21) = -58
I + -21 = -58

Reorder the terms:
-21 + I = -58

Solving
-21 + I = -58

Solving for variable 'I'.

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

Add '21' to each side of the equation.
-21 + 21 + I = -58 + 21

Combine like terms: -21 + 21 = 0
0 + I = -58 + 21
I = -58 + 21

Combine like terms: -58 + 21 = -37
I = -37

Simplifying
I = -37

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