Respuesta :

firestarangel26
Use cross multiplication: 
[tex] \frac{-6}{7} = \frac{-x}{84} [/tex]

[tex](-6)*(84)=(-x)*(7) [/tex]

[tex]-504=-7x [/tex]

Divide both sides by -7 to find x: 
[tex]-504/-7=-7x/-7 [/tex]

Final answer: x=72 (C)

Bubbie2002
the answer i think is 72

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