3i-7=7i+13

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Solution for 3i-7=7i+13 equation: 



3i-7=7i+13

We move all terms to the left:

3i-7-(7i+13)=0

We get rid of parentheses

3i-7i-13-7=0

We add all the numbers together, and all the variables

-4i-20=0

We move all terms containing i to the left, all other terms to the right

-4i=20

i=20/-4

i=-5

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