Решите уравнение 76-45x=94x-341, 62x-256=114-38x, 351-92x=51-72x, 17• (5+x) - 20x=8x-14, 24x-12 (7+x) = 16-8x

76-45x=94x-341,

-45 х-94 х=-341-76

-139 х=-417

х=-417: (-139)

х=3

62x-256=114-38x,

62 х+38 х=114+256

100 х=370

х=370:100

х=3,7

351-92x=51-72x,

-92 х+72 х=51-351

-20 х=-300

х=-300: (-20)

х=15

17• (5+x) - 20x=8x-14,

85+17 х-20 х=8 х-14

17 х-20 х-8 х=-14-85

-11 х=-99

х=-99: (-11)

х=9

24x-12 (7+x) = 16-8x

24 х-84-12 х=16-8 х

24 х-12 х+8 х=16+84

20 х=100

х=100:20

х=5

76-45x=94x-341

-45x-94x=-341-76

-139x=-417

x=-417: (-139)

x = 3