Question

(iv) x + 3y = 6
10. Find out which of the following equation have 3, y = - 2 as a solution :
(i) 7x - 4y =
(ii) 4x + y = 9
(v) x = 2y
(i) 3x - y = 11
(ii) 5x + 3y = 9
(iii) 4x - 3 = 2y + 11
(iv) 7x - 9 + 5y + 1 = 0
(v) 2y + 5 + x = 4
(vi) 7x + 3y + 15 = 0​

Answer 1

Step-by-step explanation:

x=3 and y= -2

so, 7x-4y=(7X3)-(4X-2)

=21+8

=29

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