formula solving

[dennis2007]

hi everyone..i need help in solving this equation..x=(a*b+c)/mod
now what if the value of c is missing,i.e. you are solving for the value of c.. how should i do that? thanks for your help...

[HallsofIvy]

What do you mean by "/mod"? Also, do you mean that you know the values of x, a, and b and want to find c?