Question

1)2/3x-1/2x=
2)1/4x+1/3x=
3)-7/12y-5/6y=
4)8/15y-2/5y=
5)5/9m+2/3m=
6)3/4m-1/6m=
ответьте с объяснением

Answer 1

1). 23x-12x = 46x - 36x = 16x 
2). 14x+13x = 312x+412x = 712x
3). -712y-56y = -712y-1012y = -1712y = -1 512y
4). 815y-25y = 815y - 615y = 215y
5). 59m+23m = 59m+69m = 119m = 1 29m
34m - 16m = 912m - 212m = 712m