78 x 89 = 6942
167
The LCM is 6942.
2x + 89 = 78 Therefore, 2x = 78 - 89 x = -11/2 x = -5.5
78 + 89 + 167 + 897 + 78 = 1309
-2225, -89, -78
If I understood you correctly you meant (78*57) - 89? The answer will be 4,357.
Range = 89 - 78 = 11
86
Arranged in order from the lowest number to the highest, the numbers rank as follows: -2225, -89, -78
The GCF is 1.
167 ■
78 meters!