when solving a system of equations, jared found y = x + 10 for one equation and substituted x + 10 for y in…

when solving a system of equations, jared found y = x + 10 for one equation and substituted x + 10 for y in the other equation. nicole found x = y - 10 for the same equation and substituted y - 10 for x in the other equation. who is correct? explain.
Answer
Brief Explanations:
Both Jared and Nicole used valid substitution - methods. Jared isolated $y$ in one equation and substituted for $y$ in the other, while Nicole isolated $x$ in the same equation and substituted for $x$ in the other. These are both correct ways to solve a system of equations by substitution.
Answer:
Both Jared and Nicole are correct.