Respuesta :

pegah
if you want to simplify this expression you should know that you can add 2v to -3v exact same as adding the 2 to -3 so you will have -1 so your answer to 2v-3v is -1v or -v :)))
i hope this is helpful
have a nice day 
apologiabiology
remember 2v=2 times v=v+v

so this is the same thing as
2 v's minus 3v's aka
v+v-v-v-v=-v
or
2-3=-1
2v-3v=-1v
answer is -v

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