x= -1
Explicación paso a paso:
x+3=2x+4
3= x-2x+4
3= -x+ 4
4-3 =-x
- 1= -x
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x= -1
Explicación paso a paso:
x+3=2x+4
3= x-2x+4
3= -x+ 4
4-3 =-x
- 1= -x