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Respuesta :

I think I’m wrong but this is what i got


1: -3r+15
2: -21z-35t-21
3:-26-18r
vivflore069
3(r+5)-4r
3r+15-4r
15-r

-7(3z+5t-3g)
-21z-35t+21g   or -21z+(35t)-(-21g)    depending on how your teacher wants it.

28r-9(2r+6)
28r-18r-54
10r-54

or
28r-9(2r+6)
28r-18r+(-54)
10r=(-54)

Again it depends on how your teacher wants it.

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