jennifer966 jennifer966

20-03-2021
Mathematics

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5. Brandon solved the following system of equations by substitution. His partner Lisette checked his work and said she found an error. What step did Lisette find the
error?

Step 1
Step2
Step 3
Step 4
Step 5

5 Brandon solved the following system of equations by substitution His partner Lisette checked his work and said she found an error What step did Lisette find t class=

Respuesta :

kimmmm21 kimmmm21

20-03-2021

The error was on step 3, and she found the error on step 4.

Explanation: on step 3, the 12 was supposed to be a negative, but it wasn’t. So she solved it on step 4, and added the negative sign.

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