Chapter 8.10, Problem 17PPS

To determine

The solution of the $y=x+4$ and $y=0$ by using the substitution method

Answer to Problem 17PPS

The solution of $y=x+4$ and $y=0$ is $x=-4$ and $y=0$ .

Explanation of Solution

Given:

The two eqn are as:

  $\begin{array}{l}y=x+4\\ y=0\end{array}$

Calculation:

The two eqns. are described as:

  $y=x+4$....... (1)

  $y=0$....... (2)

Put the value of the $y=0$ in eq. (1):

  $\begin{array}{l}y=x+4\\ 0=x+4\\ x=-4\end{array}$

So, the value of $x=-4$ and $y=0$ .

Conclusion:

Hence, the solution of the eqns. is $x=-4$ and $y=0$ .