Question

draw the graph of the question 2x-3y=15. from the graph find: (i) the value of y when X=4
(ii) value of x when y=3

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Answer 1

Answer:

i) when x=4

2×4-3y= 15

-3y= 15-8

y= -7/3

ii) when y=3

2x-3×3= 15

2x= 15+9

x= 24/2

x= 12