Question

5(×-2)=60-5× equaçao do 1 grau sendo u=Q

Answer 1

5.(x - 2) = 60 - 5x 5x - 10 = 60 - 5x 5x + 5x = 60 + 10 10x = 70 x = 70/10 x = 7 S = {7}