The correct option is .
Further explanation:
The system of the linear equation can be solved by the elimination method and substitution method.
Given:
Teacher gave a system of linear equation to her students Goku and Selina.
The system of linear equation has given by the teacher is written below.
The system of linear equation has found by the Goku is written below.
The system of linear equation has found by the Selina is written below.
Step by step explanation:
Step 1:
First solve the equation has given by the teacher.
The second equation of the above system can be written as,
Now multiply the equation with 2.
Now use elimination method to solve the system of equation.
Now substitute the value of in to equation to obtain the value of
Therefore, the solution of teacher’s system of the equation is .
Step 2:
Now solve the equation has found by Goku.
Now multiply the equation with 2.
Now use elimination method to solve the system of equation.
Therefore, the value of .
Now substitute the value of in to equation to obtain the value of .
Therefore, the solution of Goku’s system of the equation is .
Step 3:
Now solve the equation has found by Selina.
The second equation of the above system can be written as,
Now multiply the equation with .
Now use elimination method to solve the system of equation.
Therefore, the value of .
Now substitute the value of in to equation to obtain the value of
Therefore, the solution of Selina’s system of the equation is .
Thus, it can be seen that neither Goku nor Selina has the same solution as the teacher system.
Therefore, the correct option is .
Learn more:
- Learn more about the solution of the linear equation brainly.com/question/11744034
- Learn more about the problem of the linear equation brainly.com/question/2550559
- Learn more about midpoint of the segment brainly.com/question/3269852
Answer details:
Grade: Middle school
Subject: Mathematics
Chapter: Linear system of equations.
Keywords: Selina, Goku, teacher, linear equation, system, elimination method, substitution, solution, multiply, divide, numbers, option