Answer:
x
Step-by-step explanation:
(x−y + x+y) / 2
2x / 2
x
Answer:
x=13i, -13i
Step-by-step explanation:
Take the square root of both sides which gives you plus or minus the square root of -169. Then you get plus or minus 13times the square root of negative 1. Now you can say that x equals positive or negative 13i
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