Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises - Page 92: 6

true

When a solution of an equation is substituted to the variables in the equation, it leads to a true statement. Substitute $8$ to $x$ to obtain: $2x+5=x-3 \\2(-8) +5 = -8-3 \\-16+5=-11 \\-11=-11$ Thus, $-8$ is a solution to the given equation. The given statement is true.