Chapter 2 - Section 2.1 - Linear Equations in One Variable - Exercise Set - Page 56: 95

$x=-4.86$

To solve $2.569x=-12.48534$, you need to get $x$ by itself on one side of the equation. To do that, you have to divide both sides of the equation by $x$'s coefficient, $2.569$. $2.569x\div2.569=-12.48534\div2.569$ $x=-4.86$