Answer:
it would be 5n
Step-by-step explanation:
10+8=18 and 13+5=18
-2,4
i think
11/6
n = -21/4 <em>or </em>-5.25
x= 3/2 or 1.5
First of all, you can take out the parenthesis because 8x is subtracting 2x-3.
8x-2x-3=12
6x-3=12
+3 +3
6x= 15
6x/6= 15/6
Hope this helps!
(five) should match the number of rows of 
(four).