cupcake56
cupcake56
25-09-2017
Mathematics
contestada
Help!! what is -2r-1= -11
Respuesta :
AprilKitties
AprilKitties
25-09-2017
-2r - 1 = -11
So here you want to group all like terms onto either side.
So you can first do this by getting rid of the -1 by adding 1 instead.
-2r -1 + 1 = -11 + 1
-2r = -10
And then now you can just divide both sides by -2.
-2r = -10
/-2 /-2
r = 5
Answer Link
krave1125
krave1125
25-09-2017
-2r-1= -11
+1 +1
-2r= -10
r=5
Answer Link
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