Question

4n- 40 = 7 (-2n + 2)

Answer 1

Espero haberte ayudado

Answer 2

4n - 40 = 7 (- 2n + 2)
4n - 40 = - 14n + 14
4n + 14n = 14 + 40
18n = 54
n = 54/18
n = 3

Comprobar:
4n - 40 = 7 (- 2n + 2)
4(3) - 40 = 7 (-2 (3) + 2)
12 - 40 = 7 (- 6 + 2)
12 - 40 = 7 (- 4)
- 28 = - 28 <--- Correcto.

Att: Diana ❤