Which graph represents the correct solution to this equation?
3x + y = 9
b.
a.
+7
+6
+5
+4
+2
+8
+7
+6
+5
+4
+3.
+2
-8
-7
-6 -5-4-3
2
-1
+1
+2 +3 +4 +5 +6 +7 +8 +9
-1
-8 -7 -6 -6 -4 -3 -2 -1
-1
-2
2
-3
3
-4
-5
-6
-7
-B
+5
-6
7
-8
+1 +2 + +4 +5 +6 +7 +8 +9
C.
+8
d.
48
+7
+7
+6
+6
+5
+5
44
+3
+2
+1
+3
+2
41
-8-7-6-5-4-3-2-1
+1 +2 +3 +4 +5 +6 +7 +8 +9
-1
-8-7-6-5 4 3 2 -1
-2
-1
41 42 43 44 45 +6 +7 +8
-3
2
4
3
-5
-6
-7
4
-5
T
-8
-7
-9
​