1) 0,8x =- 3,2 2) -1,6x =-6,4 3)1/7x = -3/14 4)-4/9x = -1/7 5) -2.1/4x =9/16

Question

1) 0,8x =- 3,2
2) -1,6x =-6,4
3)1/7x = -3/14
4)-4/9x = -1/7
5) -2.1/4x =9/16

Answer 1

0,8х=-3,2
х=-3,2:0,8
х=-4

-1,6х=-6,4
х=-6,4:(-1,6)
х=4

1/7х=-3/14
х=-3/14:1/7
х=-3/2=-1 1/2

-4/9х=-1/7
х=-1/7:(-4/9)
х=9/28

-2 1/4х=9/16
х=9/16:(-9/4)
х=-1/4