How do I do this? Cause I don’t know how. Also please show work. Don’t only say the answer. Whoever shows the work and answer gets a thanks and a brainliest.

What is the solution of log2  (3x  -  7)  =  3? 4 5

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?