Question

You need to combine like terms first and fill in the follow definition to set up an equation to find the number of students in Mr. Bogue‘s house is a total number of students in eighth grade is 90.

Answer 1

Solution:

Given the initial equation;

$b+1.5(b+2)+15+2b-9=90$

Remove the bracket;

$b+1.5b+3+15+2b-9=90$

Collect like terms;

$\begin{gathered} b+1.5b+2b+3+15-9=90 \\ \\ 4.5b+9=90 \end{gathered}$

ANSWER:

$4.5b+9=90$