## Algebra 2 (1st Edition)

$$x=\frac{122}{75}$$
The problem asks us to solve algebraically, so we find: $$3\cdot \frac{21+2y}{12}+12y=-4 \\ y=-\frac{37}{50}$$ Thus: $$x=\frac{21+2\left(-\frac{37}{50}\right)}{12} \\ x=\frac{122}{75}$$