Respuesta :

07alexpm

Answer:

x=-4

Step-by-step explanation:

x+(-3)=-7

x-3=-7

x=-7+3=3-7

x=-4

igoroleshko156

Answer:

[tex]x = -4[/tex]

Step-by-step explanation:

Step 1:  Add 3 to both sides

[tex]x + (-3) = -7[/tex]

[tex]x - 3 + 3 = -7 + 3[/tex]

[tex]x = -4[/tex]

Answer:  [tex]x = -4[/tex]