$$ \begin{aligned} -3 &= -11-\frac{y}{11}&& \text{multiply ALL terms by } \color{blue}{ 11 }. \\[1 em]11\cdot(-3) &= -11\cdot11-11 \cdot \frac{y}{11}&& \text{cancel out the denominators} \\[1 em]-33 &= -121-y&& \text{ swap the left and right side of the equation } \\[1 em]-121-y &= -33&& \text{ move -121 to the right } \\[1 em]-y &= -33+121&& \\[1 em]-y &= 88&& \text{switch signs on both sides} \\[1 em]y &= -88&& \\[1 em] \end{aligned} $$

This page was created using