2m-6=48
+6 +6
__________
2m= 42
÷2 ÷2
_________
m=21
m=21 is the answer
3x+ 8= x-4
2x + 8= -4
2x= -12
x= -6
$111.1 to the nearest $5 is $110
You have a formatting problem here, since each point is repeated.
Let's assume that you want the slope of the line passing thru (4,8) and (1,6).
6-8 -2
The slope is m = -------- = ----- = 2/3
1-4 -3