Step-by-step explanation:
Consider the following system of linear equations:
Equation 1:
Equation 2:
Adding 2 times equation 1 to equation 2, we get:
this is equivalent to:
this is equivalent to:
this is equivalent to:
solving for y, we obtain:
now, replacing this value in equation 2, we get:
this is equivalent to:
solving for 6x, we get:
solving for x, we obtain:
we can conclude that the correct answer is:
Answer:
The solution of the given system of equations is:
that is:
and