4 x 7= 28
28 x 19 = 532
A Easy way to do this is to times 28 by 10. Then double it to make 560. Then subtract 28 to make 28 x 19 = 532
Chat with our AI personalities
19 times with a remainder of 4
If: 3x+7 = 19 Then: 3x = 19-7 And: 3x = 12 So: x = 12/3 = 4
19 x 7 = 133
19
7 + 3 x 4 =7 + 12 = 19