solve for x:

4x + 12 = 8 (given)

4x = -4 (subtraction)

x = -1
what is the reason for the last step in the argument?
a) division
b) addition
c) subtraction
d) symmetric property

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?