AideRodriguez1980 AideRodriguez1980

15-11-2017
Mathematics

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Who knows how to solve 9= -2+ 2x+ 1 ?

And also x-4= -9+ x

Respuesta :

15-11-2017

9 = -2 + 2x + 1
Add 2 by both sides.
11 = 2x + 1
Subtract 1 from both sides.
10 = 2x
Divide by 2 on both sides.
5 = x

x - 4 = -9 + x
Add 4 to both sides.
x = -5 + x
Subtract x from both sides.
0 = -5
There are no solutions.

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