-3x = -21 + 9 = -12
x = -12 / -3 = 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.
Fill in the box that says -3x = ? (Add 9 to both sides)
Fill in the box that says x = ? (Divide both sides by -3
1 answer