Solve the system of linear equations 2x – 5y = 4 and 3x – 2y = – 16 by substitution method.

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Q. Solve the following pair of linear equations by substitution method:

8 x + 5 y = 12

3 x - 2 y = 0

Q. Solve the following pair of linear equations by the substitution and cross-multiplication methods :

8 x + 5 y = 9

;

3 x + 2 y = 4

Question 1 (iii)
Solve the following pair of linear equations by the elimination method and the substitution method:
3x - 5y - 4 = 0 and 9x = 2y + 7

Solve the following pair of linear equations by the elimination method and the substitution method :

(i) x+y=5 and 2x−3y=4
(ii) 3x+4y=10 and 2x−2y=2
(iii) 3x−5y−4=0 and 9x=2y+7
(iv) x2+2y3=−1 and x−y3=3

Solve the following pair of equations by the elimination method and the substitution method:

3 x - 5 y - 4 = 0

and

9 x = 2 y + 7

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