3(I+2)=18

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Solution for 3(I+2)=18 equation: 


Simplifying
3(I + 2) = 18

Reorder the terms:
3(2 + I) = 18
(2 * 3 + I * 3) = 18
(6 + 3I) = 18

Solving
6 + 3I = 18

Solving for variable 'I'.

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

Add '-6' to each side of the equation.
6 + -6 + 3I = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 3I = 18 + -6
3I = 18 + -6

Combine like terms: 18 + -6 = 12
3I = 12

Divide each side by '3'.
I = 4

Simplifying
I = 4

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