1038661
contestada

Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please Help please

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Relax

Respuesta :

X=30$-10$ I hope this helps

May be completely wrong, but I think it's 30+(-10).