Question 715356
<pre>

-2.2(n + 15) = -2.7(n + 9)

Clear of secimals by multiplying both sides by 10

 -22(n + 15) = -27(n + 9)

Use the distributive principle:

  -22n - 330 = -27n - 243
          5n = 87
           n = {{{87/5}}}
           n = 17.4

Edwin</pre>