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What is the best solution of the system of equations? y= 3x-4 -3y= -9x +12 A) no solution B) (4,8) C) infinitely many solutions D) (2,-2)

What is the best solution of the system of equations? y= 3x-4 -3y= -9x +12 A) no solution B) (4,8) C) infinitely many solutions D) (2,-2)
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4 votes
What is the best solution of the system of equations? y= 3x-4 -3y= -9x +12

A) no solution
B) (4,8)
C) infinitely many solutions
D) (2,-2)

User Ethan Cabiac
by
8.4k points

1 Answer

3 votes
y = 3x - 4
-3y = -9x + 12 --> simplifies to y = 3x - 4, therefore...
3x - 4 = 3x - 4 - infinitely many solutions
The answer is C.
User Luiz Bicalho
by
7.7k points
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