SOLUTION: write the following in matrix equation form. solve the following system of equations. 5x+5y=50 0.05x+0.14y=5000

Algebra ->  Matrices-and-determiminant -> SOLUTION: write the following in matrix equation form. solve the following system of equations. 5x+5y=50 0.05x+0.14y=5000      Log On


   

Question 173298: write the following in matrix equation form. solve the following system of equations.
5x+5y=50
0.05x+0.14y=5000
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
write the following in matrix equation form. solve the following system of equations.
5x+5y=50
0.05x+0.14y=5000 --> 5x + 14y =50000

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|x +y +1|
|5 +5 50|
|5 14 50000|
DET = 70-25 = 45
DET*x = 2500000-700 = 2499300
x = 55540
-y*DET = 2500000-250 = 2499705
y = -55550