Question

J is the midpoint of line KM. If JK=12x+5 and JM=10x+15. find KM

Answer 1

130

Explanation:

Since j is the midpoint JK=JM so that means 12x+5=10x+15

that becomes 2x+5=15

then,2x=10

thenx=5

So KM=JK+JM(parts- whole postulate)

so 12x+5+10x+15

12(5)+5+10(5)+15

60+5+50+15

130