Use the substitution method to solve the system of equations. Choose the
correct ordered pair.
X+ y = 10
y= X-6
A. (10,0)
B. (0,-6)
c. (8.2)
D. (2,-4)​

Respuesta :

The answer is C because if you substitute in X-6 for the y in the first equation (since X-6 is also equal to y), you get 2x=16 which means x=8. There is only one option where 8 is equal to X, but just to check you can substitute it back into either of the original equations to make sure that y=2.
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