1) 1376(34-X) = 8137634 - 1376*X = 846864 - 1376X = 81376X = 46864 - 81376X = 4677X = 46778/137X ≈ 34
2) (X - 57) / 29 = 20X - 57 = 29*20X - 57 = 594X = 5945 + 5X = 6002
1) 1376(34-X) = 8
137634 - 1376*X = 8
46864 - 1376X = 8
1376X = 46864 - 8
1376X = 4677
X = 46778/137
X ≈ 34
2) (X - 57) / 29 = 20
X - 57 = 29*20
X - 57 = 594
X = 5945 + 5
X = 6002