which expression are equivalent to -6x+12?
(7x+8) + (-13x+4)
-6(x-2)
(-7x+4) - (x-8)
1/3 (-18x+36)
(7x+8) + (-13x+4)
-6(x-2)
(-7x+4) - (x-8)
1/3 (-18x+36)
