What is the value of the expression below when w=4 and x=5 ? 9w-7x Answer:

Identify values for w and x: Identify the values given for w and x. w is given as 4. x is given as 5.Substitute values into expression: Substitute the values of w and x into the expression. The expression is 9w - 7x. Substitute w with 4 and x with 5. The new expression is 9(4) - 7(5).Perform multiplication: Perform the multiplication in the expression. Calculate 9 times 4, which is 36. Calculate 7 times 5, which is 35. The new expression is 36 - 35.Perform subtraction: Perform the subtraction in the expression. Subtract 35 from 36. The result is 1.

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What is the value of the expression below when
w=4 and
x=5 ?

9w-7x
Answer:

What is the value of the expression below when $w=4$ and $x=5$ ? $\newline$ $9 w-7 x$ $\newline$ Answer:

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Math Problems

Grade 7

Evaluate multi-variable expressions

Full solution

Q. What is the value of the expression below when

w=4

and

x=5

\newline

9 w-7 x

\newline

Answer:

Identify values for $w$ and $x$ : Identify the values given for $w$ and $x$ . $w$ is given as $4$ . $x$ is given as $5$ .
Substitute values into expression: Substitute the values of $w$ and $x$ into the expression. $\newline$ The expression is $9w - 7x$ . $\newline$ Substitute $w$ with $4$ and $x$ with $5$ . $\newline$ The new expression is $9(4) - 7(5)$ .
Perform multiplication: Perform the multiplication in the expression. $\newline$ Calculate $9 \times 4$ , which is $36$ . $\newline$ Calculate $7 \times 5$ , which is $35$ . $\newline$ The new expression is $36 - 35$ .
Perform subtraction: Perform the subtraction in the expression. $\newline$ Subtract $35$ from $36$ . $\newline$ The result is $1$ .