Question

por favor resolver el ejercicio

Answer 1

s(c) = 5/3 (s-c)

180-(90-x) = 5/3 (180-x -(90-x))
180-90+x=5/3 (180-x-90+x)
90+x=5/3 (90)
90 +x = 150
x=150 -90
x = 60

Answer 2

180-(90-x)=5/3((180-x)-(90-x))
90+x=5/3(180-x-90+x)
90+x=5/3(90)
90+x=150
x=60