2/\sqrt{x } + 3/\sqrt y =2 and 4/\sqrt x -9/\sqrt y =-1, solve the following pair of linear equations by substitution,elimination and cross multiplication method.

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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

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

Solve the following pairs of linear (simultaneous) equations using method of elimination by substitution:

$2 x - 3 y = 7$

$5 x + y = 9$

\frac{x}{2} + \frac{2 y}{3} = - 1

x - \frac{y}{3} = 3

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