Respuesta :

Answer is x = 15

4x + 14 + 8x -14 = 180

Add/subtract x terms and non x terms

12x = 180

x = 180/12 = 15

Check if answer is right by putting x = 15 back into original equation and seeing if it equals 180

4(15) + 14 + 8(15) -14 = 180

Answer is correct.