The equation −3x−9=−21 is solved as follows. Supply the correct numbers to complete the solution.(1 point)

Question

−3x−9=−21
−3x=
Add 9 to both sides.
x=
Divide both sides by −3.

Answer 1

−3x−9=−21
−3x= -21+9
−3x= -12
Add 9 to both sides.
x = -4
Divide both sides by −3.
x = -4/-3
x = 4/3

Answer 2

The equation 10x+13=−12 is solved as follows. Supply the correct numbers to complete the solution.(1 point)
10x+13=−12
10x=
Subtract 13 from both sides.
x=
Divide both sides by 10.