а) 3,5х - 2,25 = 6,5
3,5х = 6,5+2,25
3,5х = 8,75
х = 8,75/3,5
х=2,5
б)3,6х+5,23х-3,13х-11,2 = 0
3,6x + 5,23x – 3,13x = 0 + 11,2
5.7x = 11.2
57x = 112
x = 112/57
х=1,9649122807
а) 3,5х - 2,25 = 6,5
3,5х = 6,5+2,25
3,5х = 8,75
х = 8,75/3,5
х=2,5
б)3,6х+5,23х-3,13х-11,2 = 0
3,6x + 5,23x – 3,13x = 0 + 11,2
5.7x = 11.2
57x = 112
x = 112/57
х=1,9649122807