the equation −3x−9=−21 is solved as follows. Supply the correct numbers to complete the solution.
To solve the equation -3x - 9 = -21, we need to isolate the variable x.
First, we will add 9 to both sides of the equation to get rid of the constant term on the left side:
-3x - 9 + 9 = -21 + 9
Simplifying,
-3x = -12
Next, we divide both sides of the equation by -3 to solve for x:
(-3x)/(-3) = (-12)/(-3)
Simplifying,
x = 4
Therefore, the solution to the equation -3x - 9 = -21 is x = 4.
To solve the equation -3x - 9 = -21, we can follow these steps:
Step 1: Add 9 to both sides of the equation to eliminate the constant term on the left side:
-3x - 9 + 9 = -21 + 9
-3x = -12
Now, we have -3x = -12.
Step 2: Divide both sides of the equation by -3 to solve for x:
(-3x)/(-3) = (-12)/(-3)
x = 4
The solution to the equation -3x - 9 = -21 is x = 4.
To solve the equation −3x − 9 = −21, we need to isolate the variable x on one side of the equation. Let's go step by step to find the solution:
Step 1: Start with the given equation: −3x − 9 = −21
Step 2: To begin isolating the variable x, we can start by getting rid of the constant term on the left side of the equation. To do this, we can add 9 to both sides:
−3x − 9 + 9 = −21 + 9
Simplifying, we have:
−3x = −12
Step 3: Now, to isolate the variable x, we divide both sides of the equation by the coefficient of x, which is −3:
(−3x) / −3 = (−12) / −3
Simplifying, we get:
x = 4
Therefore, the solution to the equation −3x − 9 = −21 is x = 4.