х - 120 = 912 :3х - 120 = 304х = 304 + 120х = 424---------------------------424 - 120 = 912 : 3 304 = 3044980 - х = 201 * 104980 - х = 2010х = 4980 - 2010х = 2970----------------------------------4980 - 2970 = 201 * 10 2010 = 2010х + 85 = 350 + 150х + 85 = 500х = 500 - 85х = 415--------------------------------------415 + 85 = 350 + 150 500 = 500775 + х = 5741 - 85775 + х = 5656х = 5656 - 775х = 4881-----------------------------------775 + 4881 = 5741 - 85 5656 = 5656х - 12 = 75 : 3х - 12 = 25х = 25 + 12х = 37--------------------------------37 - 12 = 75 : 3 25 = 2545 - х = 11 + 745 - х = 18х = 45 - 18х = 27--------------------------------45 - 27 = 11 + 7 18 = 18х + 39 = 768 * 4х + 39 = 3072х = 3072 - 39х = 3033--------------------------------3033 + 39 = 768 * 4 3072 = 307289 + х = 678956 - 8789 + х = 678869х = 678869 - 89х = 678780---------------------------------------------89 + 678780 = 678956 - 87678869 = 678869х - 27 = 78 + 14х - 27 = 92х = 92 + 27х = 119--------------------------------119 - 27 = 78 + 14 92 = 92600 - х = 81 : 9 600 - х = 9х = 600 - 9х = 591--------------------------------600 - 591 = 81 : 9 9 = 9 х + 29 = 56744 : 2х + 29 = 28372х = 28372 - 29х = 28343---------------------------------28343 + 29 = 56744 : 2 28372 = 28372899 + х = 4532 - 631899 + х = 3901х = 3901 - 899х = 3002-------------------------------------------899 + 3002 = 4532 - 631 3901 = 3901х - 16 = 96 - 28х - 16 = 68х = 68 + 16х = 84-----------------------------84 - 16 = 96 - 28 68 = 6876854 - х = 30 * 10076854 - х = 3000х = 76854 - 3000х = 73854-------------------------------------76854 - 73 854 = 30 * 100 3000 = 3000х + 3716 = 4650 + 1856х + 3716 = 6506х = 6506 - 3716х = 2790----------------------------------------2790 + 3716 = 4650 + 1856 6506 = 650667 + х = 228 : 467 + х = 57х = 57 - 67х = - 10---------------------------67 + (- 10) = 228 : 4 57 = 57х - 54 = 506 - 102х - 54 = 404х = 404 + 54х = 458--------------------------------458 - 54 = 506 - 102 404 = 40414000 - х = 68 * 9 1400 - х = 612х = 1400 - 612х = 788-------------------------------1400 - 788 = 68 * 9 612 = 612х + 642 = 805 + 228х + 642 = 1033х = 1033 - 642х = 391----------------------------------391 + 642 = 805 + 228 1033 = 1033473 + х = 180 : 6 473 + х = 30х = 30 - 473х = - 443----------------------------------473 + (- 443) = 180 : 6 30 = 30