Question

Valor de "r" en

(8r + 3 + 3r) + (4r +6 + 2r) = 8

Answer 1

Hallar el valor r

(8r + 3 + 3r) + (4r + 6 + 2r) = 8
(11r + 3) + (6r + 6) = 8
11r + 3 + 6r + 6 = 8
17r + 9 = 8
17r = 8 - 9
17r = - 1
r = - 1/17

Respuesta.
r = - 1/17