The Purplemath Forums

ok here are some of my problems. I dont understand how to add numbers with letters. or multiply them with eachother. and i need some very major help. Problems 8P + 2 > 3P - 15 2 (P + 1) > 7 + P 2 (z+1) - 4(z - 4) <2 (z + 5) (-6) + 2 (-4) - 3 (6) I dont understand algebra in the least. :confused: ple...

(-2)[-3 - 4 - 5 - 2^3 - (-1)]

im not sure how to solve this problem. or like problems. Obviously my knowledge is not in algebra or its theories.
If you can help me understand and help with step by step problem solving i would greatly appreciate it.
Thank you.