How do you solve for x x/2 +1 +3x/4= -9

Rewrite so the subject can be y in the formula d=m-y/y+n

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

5cakes cost 3.50 how much do 7 cakes cost