3 years ago

1)Which of these systems of linear equations has an infinite number of solutions?

1 answer:

7 0

1) B)3x+6y=22
6x+12y=44
because the equations are equivalent to each other
2*(3x+6y=22) -----> 6x+12y=44

2) 5x+10y=15 should be multiplied by -2, to get 5x*(-2)=-10x, and x then can be eliminated
A)-2

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