Uhhh. Can someone please explain how to do these

Answer:
j = +38
Step-by-step explanation:
Subtract 7 from both sides giving you j/-2 = -19
Then you multiply -2 on both sides giving you j = +38
j = +38
Answer:
Subtract 7 from both sides to get j over -2= -19 then multiple both sides by -2 to solve for j.
Step-by-step explanation: