The steps to solving an equation are shown below. Provide a justification for steps 2, 3, and 4.
1. 8x – 5 = -2x - 15. 1. Given
2. 10x – 5 = -15. 2.
2. 10x-5=-15 multiply of equality
The steps to solving an equation are shown below.
Provide a justification for steps 2, 3, and 4.
\(\displaystyle \begin{array}{ccccccc}1.& 8x - 5 \:=\: -2x - 15 && 1.& \text{Given } \\
2. & 10x - 5 \:=\: -15 && 2. & --- \\
3. & 10x \:=\: -10 && 3. & --- \\
4. & x \:=\: -1 && 4. & --- \end{array}\)