Hello,
Here is the answer :
2x^3 + 8x .
Answer:140
Step-by-step explanation: 7x+4=13x-8 SOLVE FOR X, x=2, SOLVE EACH SIDE, JH=18, HK=18, KI=IL, GL=GJ, JH=HK, SO LI IS 15 SINCE KI IS 15, 52-15=37, LG=37, GJ=37. 18+18+15+15+37+37=140
Answer:
7+x=y
Step-by-step explanation: