Answer:
n=10
Step-by-step explanation:
5n-20=3n
-20=-2n
10=n
Answer:
Step-by-step explanation:
perimeter = 2(4ft+7ft) = 2*11ft = 22ft
A = 1
b = -1
a + b =
1 + (-1) =
1 - 1 =
0....so a + b = 0
additive inverse property states that every real number added to its additive inverse (or opposite) will equal zero.
The attachment is one version of 50 being factored
