Question

1)to draw graph of 4x+5y=19,find y when x=1.
a)4. b)3 c)4 d)-3
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Answer 1

Answer:

4x+5y=19

=4×1+5y=19 [x=1]

=4+5y=19

=5y=19-4

=5y=15

15

=y= --------

5

=y=3

ans y=3