How do I solve multi step equations

Forty five miles is seven miles more than the number of miles you have traveled so far?

Log (x^2 - 64) - log (x + 8)

Rewrite from least to greatest. 33 -.12 -.127.2 45/10

What does "x" equal if "y" equals 2? 90.5 + 60x + - 3y - 21 + 46y - 3 = 90y + 16.5x + 33.2 - 30 + 9y

Macy of New York sold LeeCo. of Chicago office equipment with a $7,600 list price. Sale terms were 1/10, n/30 FOB New York. Macy agreed to prepay the $20 freight. LeeCo. pays the invoice within the discount period. What does LeeCo. pay Macy?

Find the surface area of the cylinder in terms of .

A person from London, England wants to purchase some paint from you, but they are only familiar with metric measurements. They say they need 7 liters of paint.

How many zeros are there at the end of 100?!

Solve 10 6 (-9 - 4x) = 10 (x - 12) 8.

Negative 12 over negative 6, I forgot what to do