The equation −3x−9=−21

Question

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

−3x=

Add 9 to both sides of the equation.

x=
Divide both sides of the equation by -3. If the answer is an improper fraction, enter the improper fraction.

Answer 1

Let's solve the equation step by step:

Starting with the equation: \[ -3x - 9 = -21 \]

1. Add 9 to both sides: \[ -3x = -21 + 9 \] This simplifies to: \[ -3x = -12 \]

2. Divide both sides by -3: \[ x = \frac{-12}{-3} \] This simplifies to: \[ x = 4 \]

So, the completed solution would be:

• For the equation after adding 9: \[ -3x = -12 \]

• For the final value of \(x\): \[ x = 4 \]