Gradient and y-intercept from equation of a straight line

State the gradient of the equation  $y\ =3x+7$  

State the y-intercept of the equation  $y=-5x-10$  .

State the y-intercept of the equation  $y\ =12x$  

State the gradient of the equation  $y=-4x-\frac{1}{5}$  

State the gradient of the equation  $y=3+9x$  

State the y-intercept of the equation  $y=-6-15x$  

State the gradient of the equation  $-2x+y=3$  

State the gradient of the equation  $y+17x+9=0$  

Rearrange the equation below in the form $y=mx+c$ then state the gradient of the line. 
 $4x-y-3=0$  

Rearrange the equation below in the form  $y=mx+c$  
 then state the y-intercept of the line. 
 $4x-y-3=0$