Qstnid -A-13- 4(y + 2)/5 = 7 + 5y/13 - 14: Linear Equations In One Variable Class 8 Maths - Icse-viii-mathematics

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ICSE-VIII-Mathematics

14: Linear Equations in one Variable Class 8 Maths

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Qstn# A-13 Prvs-Qstn Next-Qstn

#13
4(y + 2)/5 = 7 + 5y/13
Ans : ⇒ (4y + 8)/5 = 7 + 5y/13
⇒ (4y + 8)/5 = (91 + 5y)/13 (by cross multiplication)
⇒ 13(4y + 8) = 5(91 + 5y)
⇒ 52y + 104 = 455 + 25y
⇒ 52y - 25y = 455 - 104
⇒ 27y = 351
⇒ y = 351/27
⇒ y = 13