10-09-2020
Mathematics

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I need help with this

I need help with this class=

Respuesta :

mlarsen5000 mlarsen5000

10-09-2020

Answer:

90°

Step-by-step explanation:

5x+20=9x

20=4x

5=x

<DEG=5x+20+9x=5(5)+20+9(5)=25+20+45=90

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