Question

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 1

Step-by-step explanation:

Reason for both being true

Both are right because

$y = x + 10 \\ \: and \: \\ x = y - 10 \: for \: the \: same \: equation \: are \:same \: thing$

so no matter you took y=X+10

and substitute in another

OR

took X= y-10 and substitute in another

it will be the same thing.....

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Answer 2

Answer: both are correct

because y= x+10 is equal to x =y -10