X(7 – 2y)use x = 5 and y = -4

Adam Kis asked Jan 2, 2023

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Adam Kis asked Jan 2, 2023

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24 votes

Evaluate the expression;

Where x = 5 and y = -4,

The expression becomes

$\begin{gathered} =5(7-2\lbrack-4\rbrack) \\ =5(7-\lbrack-8\rbrack) \\ =5(7+8) \\ =5(15) \\ =75 \end{gathered}$

You simply substitute for the values of 5 in place of x, and -4 in place of y

Cmill answered Jan 7, 2023

by Cmill

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