Arthur D. answered 07/02/20
Tutor
4.9
(286)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
the Midsegment Theorem says that SP is half of LM
so, 2x+3=(1/2)(5x-14)
multiply both sides by 2
4x+6=5x-14
doing the arithmetic you get x=20
SP=2x+3
SP=2*20+3
SP=43