Question

PLEASE HELP. When solving the equation, what property was used to go from Step 2 to Step 3?

Step 1: -(2x + 3) = x - 18
Step 2: -2x - 3 = x - 18
Step 3: -3 = 3x - 18

Answer 1

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Answer:

addition property of equality

Explanation:

The addition property of equality is used to add 2x to both sides of the equation:

-2x +2x -3 = x +2x -18 . . step 2 with 2x added

-3 = 3x -18 . . . . . . . . . . . . step 3 (simplified)