4x - 8 = -4 (2x - 3 ) + 4
4x - 8 = -8 + 12 + 4
4x + 8x = 12 + 4 + 8
x = 24
x = 24/12
x = 2
comprobamos
4( 2 ) - 8 = 0
-4 ( 2 (2) - 3) + 4 = 0
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4x - 8 = -4 (2x - 3 ) + 4
4x - 8 = -8 + 12 + 4
4x + 8x = 12 + 4 + 8
x = 24
x = 24/12
x = 2
comprobamos
4( 2 ) - 8 = 0
-4 ( 2 (2) - 3) + 4 = 0
x = 2