Question

7+9х/4+2-х/9=7х+1 помогите решит

Answer 1

7+2.25х+2-х/9-7x-1=0
9+2.25x-x/9-7x-1=0
9+77/36 x-7x-1=0
9-175/36 x-1=0
8-175/36 x=0
8-4.86111...x=0
x=(-8) /4.86111....
x=1.645......

Answer 2

63+81х+8-4х=252х+36

Answer 3

81-4х-252х=638+36

Answer 4

-175х=-35

Answer 5

х=35/175=1/5=0,2

Answer 6

вот правильное решение