jocelyngracia
18.03.2021 •
Mathematics
(2x-50)
(x+40)
150°
80°
(x+20)
That 80 is not the correct x
Solved
Show answers
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Ответ:
x=120
Step-by-step explanation:
(2x-50)+(x+40)+150+80+(x+20)+90= 720
4x+330= 720
4x=390
x=97.5
Ответ:
13x^3−x^2+5x−35
hope it's helpful