Solve {l}{p=63}{q=p/9}{r=q}{s=r}{t=s}{u=t}{v=u}{w=v}{x=w}{y=x}{z=y}{text{Solvefor}atext{where}}{a=z}

$$\left. \begin{array} { l } { p = 63 }\\ { q = p / 9 }\\ { r = q }\\ { s = r }\\ { t = s }\\ { u = t }\\ { v = u }\\ { w = v }\\ { x = w }\\ { y = x }\\ { z = y }\\ { \text{Solve for } a \text{ where} } \\ { a = z } \end{array} \right.$$

Solve for p, q, r, s, t, u, v, w, x, y, z, a

$$a=7$$

Solution Steps

Consider the second equation. Insert the known values of variables into the equation.

$$q=\frac{63}{9}$$

Divide 63 by 9 to get 7.

$$q=7$$

Consider the third equation. Insert the known values of variables into the equation.

$$r=7$$

Consider the fourth equation. Insert the known values of variables into the equation.

$$s=7$$

Consider the fifth equation. Insert the known values of variables into the equation.

$$t=7$$

Consider the equation (6). Insert the known values of variables into the equation.

$$u=7$$

Consider the equation (7). Insert the known values of variables into the equation.

$$v=7$$

Consider the equation (8). Insert the known values of variables into the equation.

$$w=7$$

Consider the equation (9). Insert the known values of variables into the equation.

$$x=7$$

Consider the equation (10). Insert the known values of variables into the equation.

$$y=7$$

Consider the equation (11). Insert the known values of variables into the equation.

$$z=7$$

Consider the equation (12). Insert the known values of variables into the equation.

$$a=7$$

The system is now solved.

$$p=63 q=7 r=7 s=7 t=7 u=7 v=7 w=7 x=7 y=7 z=7 a=7$$