Mathematics, 20.01.2021 22:00 missdee7623
Plzzz Select the correct answer.
A system of equations and its solution are given below.
System A
-x-2y=7
5x-6y=-3
solutions:(-3,-2)
Choose the correct option that explains what steps were followed to obtain the system of equations below.
System B
-x-2y=7
-16y=32
A.
To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by -5. The solution to system B will not be the same as the solution to system A.
B.
To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 3. The solution to system B will be the same as the solution to system A.
C.
To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by -6. The solution to system B will not be the same as the solution to system A.
D.
To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 5. The solution to system B will be the same as the solution to system A.
Answers: 2
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Plzzz Select the correct answer.
A system of equations and its solution are given below.
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