−3x−9=−21
To find the value of −3x:
−3x = −21 + 9
−3x = -12
To find the value of x:
x = -12 / -3
x = 4
he 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