Question

Solve the system of equations below

4x + y = 16

2x + 3y = -2

A.) (-5,4)

B.) (5,-4)

C.) (5,4)

D.) (4,-5)

Answer 1

The system of equations are .

The resultant equation is

The equation x = 5 paired with either of the two original equations produces an equivalent system.

So, substitute the value of x = 5 in either of the original equations to solve for y.

The first equation: .

20+y =16

y =16-20

   =-4

The solution of equivalent system (x, y) = (5, -4).

Option B is correct