What are the values for the coefficients and constant term of 0 = 2 + 3x - 5x?

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15