2x+4y-z=3
x+2y+4z=6
x+2y-2z=0
metodo de eliminacion
con proceso porfa

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Given abcd ac=38 and ae=3x+4 find the value of x