X×634 = 57 × 643 - 643 × 57
X = (57 × 643 - 643 × 57) / 634X = (36651 - 36651) / 634X = 0
Therefore, the value of X is 0.
X×634 = 57 × 643 - 643 × 57
X = (57 × 643 - 643 × 57) / 634
X = (36651 - 36651) / 634
X = 0
Therefore, the value of X is 0.