Question

find the value of y when x equals -13 8x-9y=-50

Answer 1

$8 \times ( - 13) + 50 = 9y \\ - 104 + 50 = 9y \\ - 54 = 9y \\ y = - 6$

Answer 2

8x - 9y= - 50
And x= - 13..
Then,,
Put the value of x in that equation:-
8(-13) - 9y=-50
=-104 - 9y= - 50
= - 9y= - 50+104
= - 9y= 54
Y= 6..

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