Respuesta :
Subtract 4 from both sides. Simplify 13-4 to 9. Divide both sides by 3. Simplify 9/3 to 3.
Answer: x < 3
Answer: x < 3
ok we need to put the lettres apart and the numbers apart
3x+4-4<13-4
=3x<9
=3x\3<9\3
= x<3
3x+4-4<13-4
=3x<9
=3x\3<9\3
= x<3