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8p - 1 = 2 + 11(p + 7)
8p - 1 = 2 + 11p + 77
8p - 1 = 79 + 11p
- 1 - 79 = 11p - 8p
- 80 = 3p
- 80/3 = p
Respuesta.
p = - 80/3
8p-1=2+11p+77
8p-11p=77+2+1
-3p=80
-p=80/3
-p=26.66...
p=-26.66
comprobación:
8P - 1 = 2 + 11 ( P + 7 )
8(-26.66)-1=2+11(-26.66+7)
213.28-1=2-216.28
214.28=214.28
si te ayudó dale mejor respuesta y un gracias :)suerte