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6x -8 = -8x +36
6x +8x = 36 +8
14x = 44
x = 44/14
x = 22/7
Comprobamos:
6x -8 = -8x +36
6 (22/7) -8 = -8 (22/7) +36
132/7 - 8 = -176/7 +36
(132-56)/7 = (-176+252)/7
76/7 = 76/7