Answer:
9x-1
Step-by-step explanation:
The perimeter of the triangle is adding up all 3 sides.
(3x)+(x+6)+(5x-7)=P
9x-1 = perimeter
All I have done is combine like terms.
If there is a... x = something, replace x with the number.
Answer:
8
x
9
−
28
x
8
+
29
Step-by-step explanation:
Point f ends up being (-4,-5)
point d is (-5,-1)
and point e is (4,-1)
Answer:
unknown
Step-by-step explanation:
z is an unknown number