Answer:
x=3
Step-by-step explanation:
5x+x-2=20
6x=18
[tex]x=3[/tex]
[tex]5x-2+x=-20\\6x-2=-20[/tex]
Add 2 to both sides
[tex]6x-2+2=-20+2\\6x=18[/tex]
Divide both sides by 6
