Solve the following system of equations for z

and for y

:

System of Equations:

Value of z

Value of y

y$=9+3$z

y$=495$z

Solve the following system of equations for a

and for b

:

System of Equations:

Value of a

Value of b

$4$a$+2$b$=20$

$15$a$+5$b$=60$

Plot the following system of equations on the following graph.

System of Equations:

p$=62$q

p$=4+$q