What is the solution of the system? use substitution. 3x + 2y = 7 y = –3x + 11
a. (6, -3)
b. (6, -7)
c. (-4 19/2)
d. (5, -4)

The solution of the given system of equations is:

                    Option: d  (d. (5,-4) )

We are given a system of equation as:

and                  

Now we are asked to find the solution of the system of equations using substitution method.

Hence, we substitute the value of y from equation (2) in equation (1) to obtain:

Now on putting the value of x back to equation (2) we get:

      Hence, the solution is: (5,-4)

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