Respuesta :

Yang100

Answer:

3/4

Step-by-step explanation:

1+3x=-x+4

1+3x-(-x)=4

1+3x+x=4

1+4x=4

4x=4-1

4x=3

x=3/4

pgonzales15

Answer:

x=3/4

Step-by-step explanation:

1+3x=-x+4

4x=3

x=3/4