Answer is -10
Step by step exploration
7x=-70
x=-70/7
x=-10
This picture is depicting a straight line, therefore all we have to do is subtract 76 from 180. You get 104
Your answer is 104 degree
If your wondering how much each pair costs individually then its 7.89 per pair
Answer:
Here we can go for trial and error,
Taking x=6
So equation will be 6*6-18 which gives 18
and is not equal to 54
So it's, not 6
Trying 12
6*12-18
Which is 54 and so correct answer is x=12
