Answer:
Im sorry. give me a few minutes and I will get you a few of the answers. I will comment on your questions with the answers I get. No promises that they will be right because I am also in 8th grade.
Step-by-step explanation:
Answer: a variable is a place holder, therefore, all the letters are the variables.
Step-by-step explanation: all the letters.
9 = 1 + 8x - 8 = 8x - 7
8x = 9 + 7 = 16
x = 16/8 = 2
x = 2.
