Answer:
x=2
Step-by-step explanation:
2x+4=4x
-2x -2x
4=2x/2x
4/2=x
230
because 5x23 is 115 x 2 which is 230
6x-21=105
+21. +21
6x=126
×=21
21y=75
Divide 21 from 75
Y= 3.6
(-3,8) would NOT fit the table.