21-16+I=14-4

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Solution for 21-16+I=14-4 equation: 


Simplifying
21 + -16 + I = 14 + -4

Combine like terms: 21 + -16 = 5
5 + I = 14 + -4

Combine like terms: 14 + -4 = 10
5 + I = 10

Solving
5 + I = 10

Solving for variable 'I'.

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

Add '-5' to each side of the equation.
5 + -5 + I = 10 + -5

Combine like terms: 5 + -5 = 0
0 + I = 10 + -5
I = 10 + -5

Combine like terms: 10 + -5 = 5
I = 5

Simplifying
I = 5

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