## Introductory Algebra for College Students (7th Edition)

$$x = -5$$
To solve this equation, we want to move the constants to one side of the equation and keep the variable on the other side. For this equation, we want to add $7$ to each side of the equation: $$-3x = 8 + 7$$ $$-3x = 15$$ Divide each side by $-3$ to solve for $x$: $$x = -5$$