Respuesta :

Answer:

x = 4

Explanation:

  • −3x + 7 = −x − 1
  • Step 1: Add x to both sides

−3x + 7 + x = −x − 1 + x

−2x + 7 = −1

  • Step 2: Subtract 7 from both sides

−2x + 7 − 7 = −1 − 7

−2x = −8

  • Step 3: Divide both sides by -2

-2x / -2 = -8 / -2

x = 4

Answer:

-3x+x=-1 -7

-2x=-8

x=4

Step-by-step explanation: