anonymous
  • anonymous
(_____) + (7 − 3i) + (5 + 9i) + 13i = 10 − 5i. whats the missing term?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Loser66
  • Loser66
still need help?
anonymous
  • anonymous
yes please
anonymous
  • anonymous
can u help?!?!?!?

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anonymous
  • anonymous
yup
Loser66
  • Loser66
|dw:1434548691427:dw|
Loser66
  • Loser66
|dw:1434548770588:dw| ? +7+5 =10 ?+ 12 =10 if you subtract both sides by 12, what do you get
anonymous
  • anonymous
?=-2
anonymous
  • anonymous
right
Loser66
  • Loser66
yeah!!!
anonymous
  • anonymous
woohoo
Loser66
  • Loser66
|dw:1434548895323:dw|
Loser66
  • Loser66
do the same with i
Loser66
  • Loser66
? -3i +9i +13i = -5i then ? =
anonymous
  • anonymous
that's where i get confused
Loser66
  • Loser66
just think "i" as a "cookie" you have ? "cookie" - 3 "cookie" +9"cookie" +13"cookie"= -5"cookie" and solve for ?cookie
anonymous
  • anonymous
still lost
Loser66
  • Loser66
hehehe....it' s ok I slow it down
anonymous
  • anonymous
thanks
Loser66
  • Loser66
? i -3i +9i +13i =-5i from the left hand side, you let ?i aside, combine like terms, what do you get? ?i + .....
anonymous
  • anonymous
?i=6i right?
Loser66
  • Loser66
nope, don't guess. You CAN do it.
Loser66
  • Loser66
now, simpler way -3 +9 +13 =?
anonymous
  • anonymous
oh didnt see the 13
anonymous
  • anonymous
19
anonymous
  • anonymous
yeah
Loser66
  • Loser66
oh, sorry ?i +19i =-5i now, -19i both sides, what do you get for ?i
anonymous
  • anonymous
-24
Loser66
  • Loser66
-24 what? not just -24, it is -24i, right?
Loser66
  • Loser66
I saw you typed something and then you disappeared!! I assume that you are knocked out of the net. :) Ok, now you got 24i, just plug into the blank of the problem. |dw:1434549812312:dw|
Loser66
  • Loser66
|dw:1434549833249:dw|