9514 1404 393
Answer:
x = 22
Step-by-step explanation:
The midsegment BF is half length of the base segment CE, so you have ...
2x = 88/2
x = 22 . . . . . divide by 2
answer: 4s+4
(s+12)+(3s-8) distrubute --> s+12+3s-8
comibine like terms 4s+4
hopfully this helped :)