Answer:
-3x+3y-15
Step-by-step explanation:
;)
Answer:
A
Step-by-step explanation:
because it is is parenthesis
https://www.khanacademy.org/math/precalculus/prob-comb/combinatorics-precalc/v/permutation-formula
I would watch a bunch of videos or ask a teacher or something for help
Answer:
C-----> x<-7
Step-by-step explanation:
first u do this to turn x in positive and consequently change the > to an <:
(-1).(-4x)>28.(-1)
so:
4x<-28
x<-7
# when multiplying each side by (-1), you have to change the symbol (>) to an (<), or (<) to an (>)