Answer:
below
Step-by-step explanation:
that is the procedure above
Ab+ac=a(b+c) or
ba+ca=a(b+c)
c(m-n)+d(m-n)=(m-n)(c+d)
Step-by-step explanation:


Answer:
15
Step-by-step explanation:
By the diagram, you can see the sum of segment AB and segment BC is segment AC. Adding the given expressions for AB and B is
. Simplifying the equation
, gives
. Substituting
in the equation for segment AC gives 15.