Respuesta :

the answer is x equals 4, first subtract 19-3 which leaves 16 ( 3x+4= 16) then subtract 4 on both sides (3x=12) which you divide 3 on both sides which leaves you this (x=4)
tolaosunrinde

Answer: x=4

Step-by-step explanation:

3x+4=19-3 (combine like terms)

3x=19-3-4

3×=12

×=4