Решите уравнение:
А) х+4/5 = 1
Б) 2х-3/3 = - 5
В) х-7/3 = - 2
Г) 3х+1/2 = 8
А) х+4/5 = 1
Б) 2х-3/3 = - 5
В) х-7/3 = - 2
Г) 3х+1/2 = 8
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Ответ:
А) x+4/5 = 1
x = 1-4/5
x = 1/5
Б) 2x-3/3 = -5
2x = -5+1
2x = -4
x = -2
В) x-7/3 = -2
x = -2+2 1/3
x = 1/3
Г) 3x+1/2 = 8
3x = 8-0.5
3x = 7.5
x = 2.5