add the following expressions 3/5 x, 2/3 x, -4/5 x
and how 5 + 5 + 3 = 15 here?
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Answer:
7x/15
Step-by-step explanation:
=> 3x/15 + 2x/3 + (-4x/5)
=> (9x + 10x - 12x)/15
=> 7x/15 :)
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