Question

1)1-100x=0. 2)8c+0,73=4,61-8c. 3)(8x+11)-13=9x-5. помогите плиз.

Answer 1

1)1-100x=0. , -100х=-1,  100х=1, х= 1/100, х =0,01

2)8c+0,73=4,61-8c. , 8с+8с=4,61-0,73, 16с=3,88, с = 3,88 / 16, с = 0,2425

3)(8x+11)-13=9x-5, 8х-9х=-5-11+13 -х=-3, х =3