Step-by-step explanation:
let the unknown number be x
1St step: twice the number is 2(x) =2x
2nd step: 2x -14
3rd step: 2x - 14=28...
Answer:
4 rows of 7 plants each
Step-by-step explanation:
To find the number of plants in each row between 5 and 12 requires us to find the factors of the total 28.
28 has factors 1,28 and 2,14 and 4,7. Only 4,7 has a number between 5 and 12. There are 4 rows of 7 plants.
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Answer:
u = -7
Step-by-step explanation:
-3+4u=-31
Add 3 to each side
-3+3 +4u = -31+3
4u = -28
Divide each side by 4
4u/4 = -28/4
u = -7