user980 user980

18-01-2021
Mathematics

contestada

4a3a = (4 + 3)a2-5 = 7a?
What’s wrong with this equation somone plz help

Respuesta :

banana068313 banana068313

18-01-2021

Answer:

a = -1

Step-by-step explanation:

4a3a = (4+3)2-5 = 7a

12a = 14a - 5 = 7a

12a = 14a - 5 - 7a = 0

12a -14a + 5 + 7a = 0

(12 - 14 +7)a + 5 = 0

5a + 5 = 0

5a = -5

a = -1

i don't know if its right or not

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