Evaluate x-2 for x=-3

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a. x = 0 b.4x = -8 c.4x = 8

The triangles are similar. what is the value of x? show your work.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]