Draw a graph f(x)=2x-6
2<(1)/(x-3)<=8 ; x not equal to 3
Show that the line (x,y,z)=(1,2,3)+(1,1,1) lies on the plane 2x+3y-5z=-7
a(n-m) = t
make a the subject
x= 3+y
y = 2
49-16 $y^{2}$
How can we convert 10 cintimeters to meters?
x^2+2x
an-m = t
make n the subject
5x+2y=26
y=2x-14