#### If x =a, y = b is the solution of the equations x -y = 2 and x + y = 4, then the values or a and b are, respectively

(a) 3 and 5

(b) 5 and 3

(c) 3 and 1

(d) -1 and-3

**Solution:**

(c) 3 and 1

#### The solution of the system of equations 4/x + 5y = 7 and 3/x + 4y = 5 is

(a) x=1/3, y=-1

(b) x=-1/3, y=1

(c) x=3, y =-1

(d) x=-3,y=1

**Solution:**

(a) x=1/3, y=-1

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