7I-5=30

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Solution for 7I-5=30 equation: 


Simplifying
7I + -5 = 30

Reorder the terms:
-5 + 7I = 30

Solving
-5 + 7I = 30

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 + 7I = 30 + 5

Combine like terms: -5 + 5 = 0
0 + 7I = 30 + 5
7I = 30 + 5

Combine like terms: 30 + 5 = 35
7I = 35

Divide each side by '7'.
I = 5

Simplifying
I = 5

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