## Algebra 1

$b=-7.5$
We start with the given equation: $-4b-5+2b=10$ First, we add $5$ to both sides of the equation: $-4b+2b-5+5=10+5$ Next, we combine all of the like terms: $-2b=15$ Finally, we divide both sides of the equation by $-2$: $b=\frac{15}{-2}=-7.5$