[tex]10x + 7 = 147[/tex]
1st step you subtract 7 from both sides and the 7 get cancelled so you will get
[tex]10x = 140[/tex]
2nd step you divide by 10 from both sides so you will get
[tex]x = 14[/tex]
3rd step is that you final answer is
[tex]x = 14[/tex]
