Convert 6.4 Kilometers to Meters (km to m) with our conversion calculator and conversion tables. To convert 6.4 km to m use direct conversion formula below. 6.4 km = 6400 m. You also can convert 6.4 Kilometers to other Length (popular) units.
Y=-x-2 y=3x+2 multiply the first equation by 3: 3y=-3x-6 add up this equation with equation 2: 4y=-4, y=-1 -1=3x+2, x=-1 so the solution point is (-1,-1)