Respuesta :
don't quite follow this one but it looks like ...
m-2.j=7x
m-3.j=3x+20
as a pair of simultaneous equations ???
m-2.j=7x
m-3.j=3x+20
as a pair of simultaneous equations ???
Answer:
i cant see the question but if it is 3x+20 i think its 6.66666666667
Explanation:
6.66666666667