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2014-08-30T16:22:06+03:00
3. x - 1/6 =3/5
30x - 5 = 18
30x = 13
x = 13/30
b) x - 2/5 = 3/5
5x - 2 = 3
5x = 5
x = 5/5
x = 1
c) x - 1si 1/7 = 2/7
7x - 8 = 2
7x = 10
x = 10/7
d) x - 5/6 = 7/6
6x - 5 = 7
6x = 12
x = 12/6
x = 2