Respuesta :
She did everything correct in step 1 and 2Â
Until step 3 she took a wrong turn.Â
She wrote seven times x over seven = twenty-three over 7
When she should have wrote..
negative seven times x over negative seven = twenty-three over negative seven
So her answer wasÂ
23/7Â
while it should have been a negative. -> Â Â -23/7Â
Good Luck! :)Â
Until step 3 she took a wrong turn.Â
She wrote seven times x over seven = twenty-three over 7
When she should have wrote..
negative seven times x over negative seven = twenty-three over negative seven
So her answer wasÂ
23/7Â
while it should have been a negative. -> Â Â -23/7Â
Good Luck! :)Â