−2x−5=−21
−
2
𝑥
−
5
=
−
21
Determine the best TWO steps to solve the equation.
Identify the solution.
(3 points)
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Step 1:
Step 2:
Step 3:
1 answer
To solve the equation \(-2x - 5 = -21\), we can follow these two steps:
Step 1: Add 5 to both sides of the equation.
\(-2x - 5 + 5 = -21 + 5\)
This simplifies to:
\(-2x = -16\)
Step 2: Divide both sides by -2.
\(\frac{-2x}{-2} = \frac{-16}{-2}\)
This simplifies to:
\(x = 8\)
So, the solution to the equation is \(x = 8\).
You can fill in the steps as follows:
Step 1: Add 5 to both sides.
Step 2: Divide both sides by -2.
Step 3: Solution is \(x = 8\).
