Respuesta :

lukyo
(-3r + 8) + (5r - 1)

= -3r + 5r + 8 - 1

= (-3 + 5)r + 7

= 2r + 7 <----- (the simplest form)


I hope this helps. =)

(-3r+8)+(5r-1)
-3r+8+5r-1
2r+7
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