Respuesta :

the answer is 20 because if you replace the x with 3 u get this equation 4(3)+8 now you solve it and get 20 i hope i helped you!
mcdonalda13
4x + 8 = 20 as you times 4 by x (which is 3) and that equals to 12, then you add 8 to 12 which equals to 20