Point D is on segment BC. Segment BC measures 8x units in length. A line has points C, D, B. The length of line C D is 3 x + 8. The length of line D B is 4 x + 10. What is the length of segment BC?

With #! i’ve tried to figure it out but i can’t.

Find the value of x that will make l ll m

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?