If x - 4 is a factor of: x? - x - k,
a+b
x+(-55)=20
(.1)(800)(x-25)=(.25)(4.182)(x-80)
40% of 4.78 out of 5 and 60% of 4.75 out of 5
x-(-27)=35-12
9-(-x)=12+13
9-(-16)=x+13
if x:3=12:x calculate the positive value of x
$\pi$
