What addition expression is shown on the
number line?
8
+
?
15

your answer is b ^w^ hope i

i hope this is what you were looking for.

see attached graph

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x