Question

What is the value of 7x-3y-1 for x = -2 and y = 4?

Answer 1

7(2 - 3) 4 - 1
7 •(1) • 4 - 1
-28 - 1
-29

Answer 2

$\rule{300}{1}\\\dashrightarrow\large\blue\textsf{\textbf{\underline{Given question:-}}}$

          what is the value of 7x-3y-1 for x = -2 and y = 4?

$\dashrightarrow\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}$

Replace x with -2 and y with 4:-

$\sf{7(-2)-3(4)-1}$

On simplification,

$\sf{-14-12-1}$

On further simplification,

$\sf{-27}$

Good luck with your studies.

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