SOLUTION:
by putting x = 4y - 1 in the equation x + 2y = 11, we get;
=) 4y - 1 + 2y = 11
=) 6y = 11 + 1
=) y = 12/6
=) y = 2
Now that we got the value of y we can put the value in the equation x = 4y - 1.
=) x = 4(2) - 1
=) x = 8 - 1
=) x = 7
Hence, the value of x is 7 and y is 2.
