![\mathrm{Answer}](https://img.qammunity.org/2022/formulas/mathematics/high-school/h0irxfb08asbf69ptvoic9zzty1ntok2i5.png)
1. We can get Equation (B) from Equation (A) by multiplying it with 4.
therefore the correct option would be :
C. Multiply / Divide only one side by a non-zero constant.
2. A. Yes, they are equivalent since we can get Equation (B) from Equation (A) by multiplying it with 4.