3и1/2*(2/3x+4/7)=2и1/3

Question

3и1/2*(2/3x+4/7)=2и1/3

Answer 1

3 1/2*(2/3х+4/7)=2 1/3
2/3х+4/7=2 1/3:3 1/2
2/3х+4/7=7/3:7/2
2/3х+4/7=2/3
2/3х=2/3-4/7
2/3х=14/21-12/21
2/3х=2/21
х=2/21:2/3
х=1/7