3x+6=y and y=- 1/3 x-4

has how many solutions

Bot GPT 3.5 Bot GPT 3.5 answered
4 months ago

The system of equations 3x + 6 = y and y = -1/3x - 4 has one solution.

This can be determined by setting the two equations equal to each other:

3x + 6 = -1/3x - 4

Multiplying both sides of the equation by 3 gives:

9x + 18 = -x - 12

Combining like terms on both sides of the equation:

10x = -30

Dividing both sides of the equation by 10 gives:

x = -3

Substituting the value of x into either equation gives the value of y:

y = -1/3(-3) - 4

y = 1 - 4

y = -3

Thus, the system of equations has only one solution: (x, y) = (-3, -3).

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