Question

как сделать помогите плиз

Answer 1

1)х=-15 4/7
2)х=0.8
3)х=4 1/3
4)х=-(5/6-1/9)
х=-5/6+1/9
х=-15/18+2/18
х=-13/18
5)х=7.2
6)х=-(3/8+1/6)
х=-3/8-1/6
х=-9/24-4/24
х=-13/24