Qstnid -A-12- X/3 - 2 ½ = 4x/9 - 2x/3 - 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-12 Prvs-Qstn Next-Qstn

#12
x/3 - 2 ½ = 4x/9 - 2x/3
Ans : ⇒ x/3 - 5/2 = 4x/9 - 2x/3
Since, L.C.M. of denominators 3, 2, 9 and 3 = 18
⇒ x/3 ×18 - 5/2 ×18 = 4x/9 ×18 - 2x/3 ×18
[Multiplying each term by 18]
⇒ 6x - 45 = 8x - 12x
⇒ 6x + 12x - 8x = 45
⇒ 18x - 8x = 45
⇒ 10x = 45
⇒ x = 45/10
⇒ x = 4.5