\large -10x-5y=20
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
\large -10x-5y=20
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