Which of the following equations shows how substitution can be used to solve the following system of equations? y=2x-7 3x+4y=16

In what form is the following linear equation written y=9x+2

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

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]