find the value of x + Y if 15 X + 17 Y = 85 and 17 X + 15 Y = 75.
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Answer:
x + y = 5
Step-by-step explanation:
17x + 15y = 75
15x+ 17y = 85
(add)
32x + 32y = 160
(divide by 32)
x + y = 5
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