Answer:
x = 26
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the given angles and equate to 180
55 + 4x - 5 + x = 180, that is
50 + 5x = 180 ( subtract 50 from both sides )
5x = 130 ( divide both sides by 5 )
x = 26
Answer:
-10
Step-by-step explanation:
subtract 4 from both sides
divide by 2
D = 5.5p + 25
D: dollars
P: people attending
Answer: 80
Step-by-step explanation:
Multiple 8 x 10