Respuesta:
Explicación paso a paso:
a) x-4/2 +3= 4x
x-4/2 = 4x -3
x-4 = (4x -3).2
x-4 = 8x -6
x -8x= -6 +4
-7x = -2
x = 2/7
b) x/2 -5 x +2 = -1
x/2 -5x = -1 -2
-9/5 x = -3
-9 x = -3 .5
x = -15 : (-9)
x = 5/3
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Respuesta:
Explicación paso a paso:
a) x-4/2 +3= 4x
x-4/2 = 4x -3
x-4 = (4x -3).2
x-4 = 8x -6
x -8x= -6 +4
-7x = -2
x = 2/7
b) x/2 -5 x +2 = -1
x/2 -5x = -1 -2
-9/5 x = -3
-9 x = -3 .5
x = -15 : (-9)
x = 5/3