Question

Solve for k f= g-h+k:2

Answer 1

`g-h+k:2=f\qquad|-g\\\\-h+(k)/(2)=f-g\qquad|+h\\\\(k)/(2)=f-g+h\qquad|\cdot2\\\\k=2(f-g+h)\to k=2f-2g+2h`