## Precalculus (6th Edition) Blitzer

$x=7$
Subtract each term of the binomial to obtain: $11x-6x-(-5) = 40 \\11x-6x+5=40$ Combine like terms to obtain: $5x+5 = 40$ Subtract 5 on both sides pf the equation to obtain: $5x = 35$ Divide $5$ on both sides of the equation to obtain: $x=7$