Respuesta :

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2x+20=5x-10



3x=30



x=10



m (GED)=2.10+20=40
Given the stated conditions, then
GED = DEF
2x + 20 = 5x - 10
5x - 2x = 20 + 10
3x = 30
x = 10

Therefore, GED = 2(10) + 20 = 20 + 20 = 40