Question

solve this problem

please ​

Answer 1

Step-by-step explanation:

Let the unknown number be x,

According to question,

-13x = 247

x = 247/-13

x = -247/13

x = -19

Answer 2

Answer:

Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and work—i.e., energy in the process of transfer from one body to another.

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