You can
put this solution on YOUR website!I had this one on my Final Exam. It was EXACTLY the same. =) See if this makes sense to you;
Statements-
1. Segment MP is congruent to segment QS; Segment NP is congruent to segment QR.
2. MN + NP = MP
QR + RS = QS
3. MN + QR = MP
NP + RS = QS
4. Seg. MN is congruent to seg. RS
Reasons-
1. Given
2. Segment Addition Postulate
3. Substitution
4. Substitution
Good Luck! Hope I helped!