sofialion123
sofialion123
19-03-2021
Mathematics
contestada
8-(r+9)-7=9
helppppp pleaseeee
Respuesta :
crimsonorchid
crimsonorchid
19-03-2021
8-(r+9)-7 = 9
First, distribute the (-) sign! ^^
8-r-9-7=9
Calculate the numbers! ^^
-8-r = 9
Isolate the variable (r)! ^^
-r = 9+8
Solve! ^^
-r = 17
Move the sign! ^^
r = -17
^ this is your answer :)
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