angelfelix4455
angelfelix4455
27-02-2021
Mathematics
contestada
2) (89° + 10a + 2) = (a + 1)
Respuesta :
MrRoyal9196
MrRoyal9196
27-02-2021
Answer:
a = -10
Step-by-step explanation:
89 + 10a + 2 = a + 1
91 + 10a = a + 1
9a = - 90
a = -10
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