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10 − 7j + 7 = -10 − 4j What is j
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1 vote
10 − 7j + 7 = -10 − 4j


What is j

User EricZhao
by
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2 Answers

3 votes
first start with subtracting ten on each side and subtracting 7 on each side, then add 4j to the -7j to get 3j/3 = -27/3 which equals j=9 ; answer is j=9
10 − 7j + 7 = -10 − 4j What is j-example-1
User Jackblk
by
5.2k points
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add the numbers 7 + 10
17 - 7j = -10 - 4j
subtract 17 from both sides
-7j = -27 - 4j
add 4j to both sides
-3j = -27
divide both sides by -3
j = 9
User Gixlg
by
5.5k points
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