Yooooo what up how u doin ?
[tex]21.2x + c = 5.3(4x - 2.6)[/tex]
[tex]21.2x + c = 21.2 x - 13.78[/tex]
Subtract both sides 21.2x
[tex]21.2x - 21.2x + c = 21.2x - 21.2x - 13.78 \\ [/tex]
[tex]c = - 13.78[/tex]
There u go.... Don't have a good day , Have a great day ❤