by selling a pen for ₹1 44,a shopkeeper loses 1/7 of its cost price. if it is sold for ₹ 189,what is the gain or loss percent
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3x - 4y + 7 from the sum of terms 4x + 14x+8 & 3xy = 7x + 5y
from the sum of terms 4x +14xy +8 & 3xy – 7x+5y
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