drwho36 drwho36

20-08-2017
Mathematics

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Solve for j. 9 + 2j = -9 – j

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1212wolf 1212wolf

20-08-2017

9+2j=-9-j
+j
9+3j=-9
-9 -9
3j=-18
/3j /3j
j=-6
but in words that would be 9+2j=-9-j plus the j over to the 2j that becomes 3j then minus the 9 over and you get -18 so now you you have 3j=-18 divide by 3 and you get -6

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