Respuesta :

kingskid799

Answer:

x=-4

Step-by-step explanation:

x + 13 - 13 = 9 - 13

Get x on one side by subtracting 13 from both sides

x = -4 , if you isolate x by -13 on both sides you'd get that. { i.e; x + 13 = 9
- 13 -13
x= -4 }

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