Answer:21 I used math. way. it is a great app
you do 5-12= -7x-3=21 . in the calculator you don't need the (-s)
Reason 1
Given
Statement 2
4x=8(x-2)
4x = 8x - 16
4x - 8x = - 16
-4x = - 16
Reason 3
Combine like terms.
Reason 4
Divide both sides by the coefficient of x.
Answer:

Step-by-step explanation:

Answer:
5:55 P.M.
Step-by-step explanation:
40+15= 55