B is the midpoint of line Ac

AB=3x
AC=7x-5
How do I find what the value of BC is?

Since B is the midpoint, AB = BC
3x = 7x -5
4x = 5
x = 5/4

2 answers

draw a pair of xy-axes on grath
draw a pair of ax-axes on graph paper,each scaled from -8 to 8.plot the points r(-5,2),c(-4,3),h(-1,4)and s(-3,1)and connect them to form a quadrilateral
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