Question

解方程；x-2/3=1/5 x+1/3=1/2+1/6 x-5/12=3/8 4/7-x=1/3 14.5-3.1x=1

Answer 1

x-2/3=1/5

x=1/5+2/3

x=13/15

x+1/3=1/2+1/6

x+1/3=2/3

x=2/3-1/3

x=1/3

x-5/12=3/8

x=3/8+5/12

x=19/24

4/7-x=1/3

x=4/7-1/3

x=5/21

14.5-3.1x=11.4

3.1x=14.5-11.4

3.1x=3.1

x=3.1÷3.1

x=1