Explicación paso a paso:
4x+5-7 = 4x+3-x
4x-4x-2=3-x
-2=3-x
-2-3=-x
-5=-x
x=5
Respuesta:
5 = x
4x + 5 - 7 = 4x + 3 - x
4x - 4x + 5 - 7 = 3 - x
- 2 - 3 = - x
- 5 = -x
corona xfa
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Explicación paso a paso:
4x+5-7 = 4x+3-x
4x-4x-2=3-x
-2=3-x
-2-3=-x
-5=-x
x=5
Respuesta:
5 = x
Explicación paso a paso:
4x + 5 - 7 = 4x + 3 - x
4x - 4x + 5 - 7 = 3 - x
- 2 - 3 = - x
- 5 = -x
5 = x
corona xfa