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Answer: (10 - 6i)/5
(x + yi) + (4(x + yi) + 6i) = 10
⇔ 5(x + yi) + 6i = 10
⇔ 5(x + yi) = 10 - 6i
⇔ x + yi = (10 - 6i)/5
Step-by-step explanation:
Steps:
1. Do a proportion
X/$206.88= 5.75/100
2. Do 206.88 times 5.75 which equals 1,189.56
3. Divide 1,189.56 by 100 which equals 11.89
4. Now do 206.88 + 11.89
5. Your answer is 218.77
