Which of these expressions CANNOT be simplified by combining like terms? 53+7−322+3−10 53+322+3−10 53+2(32)+3−10 533+322+33−10

X+ y = 5 ; x - y =3 solve using linear combination

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95