Penyelesaian dari persamaan |9-2m|=4 adalah​

Jawaban:

|9-2m|=4

a. 9-2m=4

-2m=4-9

-2m= -5

m= -5/-2

m=5/2

b. 9-2m= -4

-2m= -4-9

-2m= -13

m= -13/-2

m=13/2

jadi hp {m=5/2 atau m=13/2}

positive:

9 – 2m = 4

-2m = 4 – 9

-2m = -5

m = -5/-2

negative:

-(9 – 2m) = 4

-9 + 2m = 4

2m = 4 + 9

2m = 13

m = 13/2

m = -5/-2 atau m = 13/2