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

User Joe Hillenbrand
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2 Answers

26 votes
26 votes
7(2 - 3) 4 - 1
7 •(1) • 4 - 1
-28 - 1
-29
User Rharter
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17 votes
17 votes


\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.


\rule{300}{1}

User Surace
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