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Triss [41]
3 years ago
8

Solve the given system, using the substitution method.

Mathematics
2 answers:
barxatty [35]3 years ago
8 0
The general equation of a line is expressed as:

y = mx + b

We have to write the equations to this form to see whether from there we can conclude something.

y = 3x – 7             (1)
6x – 2y = 12        (2)
-2y = 12 - 6x
y = 3x -6

We can see that both equations have the same slope and different values of y-intercept. Therefore, they are parallel and would never meet. 

The correct answer is option C, there is no solution.

alexandr1967 [171]3 years ago
5 0
Y = 3x - 7 . . . . . (1)
6x - 2y = 12 . . . (2)

Putting (1) into (2) gives
6x - 2(3x - 7) = 12
6x - 6x + 14 = 12
14 = 12

Therefore, there is no solution.
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