Question

What is the justification for step 2 in the solution process?16-5x=1-4x; -5x=-4x-15; -x=-15

Answer 1

the addition property of equality

Explanation:

The variable was isolated on the left side of the equation by adding 4x to both sides. This is justified by the addition property of equality.

Answer 2

Addition Property Of Equality

Explanation:

The variable was isolated on the left side of the equation by adding 4x to both sides. This is justified by the addition property of equality.

Step 1: -5x = -4x -15

Step 2: -x = -15