Solve the following system of equations.

8x + 5y = -84
3x + y = -14
A. x = -20, y = 2

B. x = 12, y = -50

C. x = 5, y = -24.8

D. x = 2, y = -20

Question

Solve the following system of equations.

8x + 5y =  -84 
3x + y =  -14 
A.   x = -20, y = 2  

  B.   x = 12, y = -50  

  C.   x = 5, y = -24.8  

  D.   x = 2, y = -20

lena772 · Answer

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anonymous · Answer

I use Mathematica for all calculations on this site.
If I had to solve the equations by hand, then I would multiply each side of the second equation by -5 in order to subtract out the y terms.
Solve for x and then calculate y.

anonymous · Answer

whats the answer

anonymous · Answer

{ x = 2, y = -20 }