Respuesta :

Okay so you do 6r-8r which = -2r
Then you do 5t-4t which = 1t
So the answer simplified = -2r + 1t
rearrange it so its easier to work with first
(6r - 8r) - (5t - 4t)
simplify that and you would get -2r - 1t

hope this helps you

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