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Use the equation $f = u + 10$ to find the value of $f$ when $u = 6$ . $\newline$ $f =$ ____

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Find a value using two-variable equations

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Q. Use the equation

f = u + 10

to find the value of

f

when

u = 6

.

\newline

f =

____

Substitute $u$ with $6$ : Step $1$ : We know that $u = 6$ . $\newline$ Plug in the value for $u$ in $f = u + 10$ . $\newline$ f = u + $10$ $\newline$ Substitute $u$ with $6$ . $\newline$ f = $6$ + $10$
Solve for $f$ : Step $2$ : $f = 6 + 10$ . $\newline$ Solve for $f$ . $\newline$ $f = 6 + 10 = 16$ .

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