1)7(х-19)=133
2)9(213-2х)=927
3)1344:(х+26)=32
4)384:(51-5х)=24

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Ну.. Чёт тип того1) 7(х-19)=1337x - 133 = 1337x = 133 + 1337x = 266x = 266/7x = 382) 9(213-2х)=9271917 - 18x = 92718x = 1917 - 92718x = 990x = 990 / 18x = 553) 1344:(х+26)=321344 / (x+26) = 3232(x + 26) = 1344x + 26 = 1344/32x + 26 = 42x = 42 - 26x = 164)384:(51-5х)=24384/(51 - 5x) = 2424(51 - 5x) = 38451 - 5x = 384 / 2451 - 5x = 165x = 51 - 165x = 35x = 35 / 5x = 7