x/7 + x/14 + x/35 = 51/70
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x/7 + x/14 + x/35 = 51/70
On solving-
17x/70 = 51/70
x=3
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Answer:
10x+5x+2x/70 = 51/70
17x/70 = 51/70
17x = 51/70*70
17x = 51
x = 51÷17
x = 3
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