drwho36
drwho36 drwho36
  • 20-08-2017
  • Mathematics
contestada

Solve for j. 9 + 2j = -9 – j

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1212wolf
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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