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प्रश्न
Solve: `"z"/7 + 1 = 2 1/2`
उत्तर
`"z"/7 + 1 = 2 1/2`
⇒ `"z"/7 + 1 = 5/2`
⇒ `"z"/7 = 5/2 - 1`
⇒ `"z"/7 = (5 - 2)/2`
⇒ `"z"/7 = 3/2`
⇒ `"z" = 3/2 xx 7`
⇒ `"z" = 21/2`
⇒ `"z" = 10 1/2`
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