Mathematics, 23.11.2020 02:00 gonzalesalexiaouv1bg

The following system of equations is given below: \large -5x+y=-18

\large -10x-5y=20

Which of the following steps is not suitable to solve this system by elimination?

a. Multiply the first equation by 2 and then subtract the equations from each other.

b. Multiply the first equation by -5 and then add the equations together.

Selected:c. Multiply the first equation by 5 and then add the equations together. This answer is incorrect.

d. Multiply the first equation by -2 and then add the equations together.

Answers: 3

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The following system of equations is given below: \large -5x+y=-18

\large -10x-5y=20