-9.1
0.3333
21/7 = 3
7/21 = 0.3 recurring (that is, 0.3333..)
-2.1 / 7 = -0.3
21 divided 7
420
3
7 divided by 1/3 is 21.
3
6/7 = 18/21 + 1/21 = 19/21
21 divided by 7 is three.
7
7
21
7
7
7
Look for the GCF. 7, 14 and 21 all have 7 as a common factor. Divide that out. 7x divided by 7 = x 21 divided by 7 = 3 14y divided by 7 = 2y 7x + 21 + 14y = 7(x + 3 + 2y)
20.5714