Respuesta :
Answer is 5
Since the 4 is negative, add 4 to both sides which makes it 3x=15 because 11+4=15. 15/3 is 5. If the 4 was positive, you would subtract 4 from both sides, you just have to make that number zero.
Answer:
x = 5
Step-by-step explanation
SAMDEB
1. Add 4 to both sides 3x -4 + 4 = 11 +4
2. 3x = 15
3. Divide both sides by 3 to isolate x 3x/3 = 15/3
4. x = 5
