a. 7р+4/2 =3p-8 b. 18q – 3= 15 + 9q solve both of these step by step…​

Question

a. 7р+4/2 =3p-8
b. 18q – 3= 15 + 9q
solve both of these step by step…​

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Margaret 3 weeks 2021-10-04T15:37:53+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-10-04T15:39:05+00:00

    Step-by-step explanation:

    is it correct? kindly reply for it.

    0
    2021-10-04T15:39:36+00:00

    Step-by-step explanation:

    Question 1 Solve the following pairs of equations by reducing them to a pair of linear equations:

    (i) 1/2x + 1/3y = 2 (ii) 2/x^0.5 + 3/y^0.5 = 2

    1/3x + 1/2y = 13/6 4/x^0.5 – 9/y^0.5 = -1

    (iii) 4/x + 3y = 14 (iv) 5/(x-1) + 1/(y-2) = 2

    3/x – 4y = 23 6/(x-1) – 3/(y-2) = 1

    (v) (7x-2y) / xy = 5 (vi) 6x+3y=6xy

    (8x+7y) / xy = 15 2x+4y=5xy

    (vii) 10/(x+y) + 2/(x-y) = 4 (viii) 1/(3x+y) + 1/(3x-y) = 3/4

    15/(x+y) – 5/(x-y) = -2 1/[2(3x+y)] – 1/[2(3x-y)] = -1/8

    Class 10 – Math – Pair of Linear Equations in Two Variables Page 67

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