Respuesta :

mathmate
We are given the point (4,b) is on the line y=2x/7+3.

(4,b) means x=4, y=b (b is to be found).

Substitute x=4 in the line equation, giving
y=2(4)/7+3
=8/7+3
=29/7
therefore y=b=29/7.

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