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Determine the value of
y, if
x is 4.

y=sqrtx-5
Answer:
y=

Determine the value of $y$ , if $x$ is $4$ . $\newline$ $y=\sqrt{x}-5$ $\newline$ Answer: $y=$

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Solve equations with variables on both sides

Full solution

Q. Determine the value of

y

, if

x

is

4

.

\newline

y=\sqrt{x}-5

\newline

Answer:

y=

Substitute $x$ into equation: Substitute the value of $x$ into the equation. $\newline$ $y = \sqrt{x} - 5$ $\newline$ Since $x$ is given as $4$ , we substitute $4$ into the equation. $\newline$ $y = \sqrt{4} - 5$
Calculate square root of $4$ : Calculate the square root of $4$ . $\sqrt{4}$ is $2$ because $2 \times 2 = 4$ . $y = 2 - 5$
Subtract $5$ from $2$ : Subtract $5$ from $2$ . $\newline$ $y = 2 - 5$ $\newline$ $y = -3$

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