maliyahclays
maliyahclays
25-08-2020
Mathematics
contestada
solve for x with work
Respuesta :
ikozldso
ikozldso
25-08-2020
(2x+40)+(3x+20)=180
because they are supplementary angles
therefore:
2x+3x+40+20=180
5x+60=180
5x=120
x=24
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