[tex]\rule{300}{1}\\\dashrightarrow\large\blue\textsf{\textbf{\underline{Given question:-}}}[/tex]
what is the value of 7x-3y-1 for x = -2 and y = 4?
[tex]\dashrightarrow\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}[/tex]
Replace x with -2 and y with 4:-
[tex]\sf{7(-2)-3(4)-1}[/tex]
On simplification,
[tex]\sf{-14-12-1}[/tex]
On further simplification,
[tex]\sf{-27}[/tex]
Good luck with your studies.
[tex]\rule{300}{1}[/tex]
