Respuesta :
Answer:
x = 9.5
Step-by-step explanation:
3x + 1 = x + 20 (subtract x on each side)
2x + 1 = 20 ( subtract 1 on each side)
2x = 19 ( divide by 2 on each side)
x = 9.5
PLUG IN
3(9.5) + 1 = 9.5 + 20
28.5 + 1 = 29.5
29.5 = 29.5

Answer:
x = 9.5
Step-by-step explanation:
3x + 1 = x + 20 (subtract x on each side)
2x + 1 = 20 ( subtract 1 on each side)
2x = 19 ( divide by 2 on each side)
x = 9.5
PLUG IN
3(9.5) + 1 = 9.5 + 20
28.5 + 1 = 29.5
29.5 = 29.5