Respuesta :

Answer:

The answer to #7 is -4

Step-by-step explanation:

-2(x-3y)

-2( (-4) - 3(-2) )

-2 (-4+6)

-2(2)

-4

17. -2(x - 3y) when x = -4 and y = -2
-2(-4-3(-2))
-2(-4+6)
-2(2)
-4


18. (-18x)/(-6)= 3x