So 2x+12=5x-9
you want all of the unknowns on one side and all of the known values on the other or
subtract 2x from both sides
12=3x-9
add 9 to both sides
21=3x
divide both sides by 3
7=x
Answer
................. 60 seconds.. in a minute
Step-by-step explanation:
The amount of time of what?
Answer:
25 degrees
Step-by-step explanation:
3/5 = 3/y
40 = 3y
Divide both by 3
Answer= 13.3