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Use the equation $t = p + 4$ to find the value of $t$ when $p = 5$ . $\newline$ $t =$ ____

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Find a value using two-variable equations

Full solution

Q. Use the equation

t = p + 4

to find the value of

t

when

p = 5

.

\newline

t =

____

Substitute $p$ with $5$ : Step $1$ : We know that $p = 5$ . $\newline$ Plug in the value for $p$ in $t = p + 4$ . $\newline$ $t = p + 4$ $\newline$ Substitute $p$ with $5$ . $\newline$ $t = 5 + 4$
Solve for t: Step $2$ : $t = 5 + 4$ . $\newline$ Solve for t. $\newline$ $t = 5 + 4 = 9$ .

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