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How many solutions are there to this system of equations? Explain how you know.

y=3x-2
3x-y=7

Sagot :

The following system of equation has no solution.

Step-by-step explanation:

since both of them are equal to y, set them equal to each other:

3x+1=3x+7

if you subtract both sides by 3x, you get 1-7. That is a contradiction, so this