contestada

Which best describes the error in solving the system of linear equations?

correct answer: The \(y\)-term in the first equation was multiplied by \(5\) instead of \(-5\).


The y value should have been substituted into the second equation rather than the first equation. - no response given
The
y
y
value should have been substituted into the second equation rather than the first equation.

The y-term in the first equation was multiplied by 5 instead of negative 5. - correct
The
y
y
-term in the first equation was multiplied by
5
5
instead of
−5
−5
.

The first equation should have been multiplied by 3. - no response given
The first equation should have been multiplied by
3
3
.

The second equation should have been multiplied by negative 5. - no response given
The second equation should have been multiplied by
−5
−5
.
Question 2
Correct the error.

The solution is (

,

).