Respuesta :

trombonebookworm
All you have to do is substitute in the x value into the equation.
y=10x
y=10(-3)
y=-30

The value of y when x is -3 is -30

Good luck!
LilyHall24
You would substitute -3 for x so your equation would be Y=10(-3)
Y=-30. 
Hope this helped!

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