Asked by cheyenne
okay i got stuck on "5-x-x=-17"?
Answers
Answered by
Kuai
5-x-x = 17
5-2x = 17
-5 + 5 -2x = 17-5
-2x = 12
x = -6
Answered by
Kuai
I made mistake because 17 not positive
-2x = -17-5
-2x = -22
x =11
Answered by
Bosnian
5 - x - x = - 17
5 - 2 x = - 17 Subtract 5 to both sides
5 - 2 x - 5 = - 17 - 5
- 2 x = - 22 Divide both sides by - 2
- 2 x / - 2 = - 22 / - 2
x = 11
Proof :
5 - x - x = 5 - 11 - 11 = 5 - 22 = - 17
5 - 2 x = - 17 Subtract 5 to both sides
5 - 2 x - 5 = - 17 - 5
- 2 x = - 22 Divide both sides by - 2
- 2 x / - 2 = - 22 / - 2
x = 11
Proof :
5 - x - x = 5 - 11 - 11 = 5 - 22 = - 17
Answered by
cheyenne
Thank you so much!
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