Find the value of $x$ in each equation.
(4)
\[
\begin{array}{r}
y-5=11 \\
y-5+x=20 \\
-x= \\
x=
\end{array}
\]

Answer

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Answer

Final Answer: $\boxed{y = 16, x = 9}$

Steps

Step 1 ：Solve the first equation for y: $y = 11 + 5 = 16$

Step 2 ：Substitute y into the second equation: $16 - 5 + x = 20$

Step 3 ：Solve the equation for x: $x = 20 - 16 + 5 = 9$

Step 4 ：Final Answer: $\boxed{y = 16, x = 9}$