Respuesta :

Answer:

4

Step-by-step explanation:

1-2x=-1x-3

add 1x to both sides

1-1x=-3

subtract one to both sides

-1x=-4

divide by -1

x=-4

Answer:

x = 4

Step-by-step explanation:

1 - 2x = -x - 3    Step 1: add 2x to both sides

1 = x - 3             Step 2: add 3 to both sides

x = 4