Respuesta :

Answer:

x = 8

Step-by-step explanation:

40 + 6x + 2 = 90   {Complementary angles}

Combine like terms

40+ 2 + 6x = 90

      42 +6x = 90         {Subtract 42 form both sides}

              6x = 90 - 42

              6x = 48       {divide both sides by 6}

         6x/6 = 48/6

              x = 8