2275644
2275644
28-04-2022
Mathematics
contestada
solve for x x + 21 = -2x
Respuesta :
tonyrodriguezjr30
tonyrodriguezjr30
28-04-2022
Answer
-7
Step-by-step explanation:
x + 21 = -2 x
-x -x
21 = -3 x
--- -----
-3 -3
-7 = x
Answer Link
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