What is the result of multiplying the first equation by −3
and adding to the second equation?
5x−2y=−2
3x+y=12
(1 point)
Responses
8x−y=10
8 x minus y equals 10
−10x+8y=15
negative 10 x plus 8 y equals 15
12x+7y=18
12 x plus 7 y equals 18
−12x+7y=18
negative 12 x plus 7 y equals 18
1 answer
The correct response is: -12x + 7y = 18