Question

Помогите плз1!!!!!!Алгебра

Answer 1

$frac{t-8z}{z} = 13 ; frac{t-8z}{z} = frac{13}{1} ; (t - 8z)*1 = 13z ; t - 8z = 13z ; t = 13z+8z ; t = 21z$

$frac{4t+z}{z} = frac{4*21z+z}{z} = frac{85z}{z} = 85$