Question

sendo 3x+2y=10 calcule :
(1,?)

Answer 1

               3x + 2y = 10 ---------- (1,?)
               3(1) + 2y = 10
                  3  + 2y = 10
                         2y = 10 - 3
                         2y = 7
                           y = 7/2
              Resposta: (x,y) = (1,7/2)