−3x−9=−21
−3x= -12
Add 9 to both sides.
x= -12/3
Divide both sides by −3
x= -4
The equation −3x−9=−21 is solved as follows. Supply the correct numbers to complete the solution.(1 point)
−3x−9=−21
−3x=
Add 9 to both sides.
x=
Divide both sides by −3
1 answer
1 answer