dantheban6433 dantheban6433 12-04-2024 Mathematics contestada Compute the sum Σ₍ᵢ₌₁₎₍₈₉₎(-6aᵢ-2bᵢ) given Σ₍ᵢ₌₁₎₍₈₉₎aᵢ=-30 and Σ₍ᵢ₌₁₎₍₈₉₎bᵢ=-7.