A way to solve a linear system algebraically is to use the substitution method. The substitution method functions by substituting the one y-value with the other. We're going to explain this by using an example. We can substitute y in the second equation with the first equation since y = y.
Area code 970 is an area code serving most of the western and northern parts of Colorado.It covers Aspen, Vail, Durango, Grand Junction, Fort Collins, and Estes Park.rea code 970 is an area code serving most of the western and northern parts of Colorado.
From Wikipedia, the free encyclopedia. The blue area is New York State; the red area is area code 718. North American area codes 718, 347, and 929 are New York City telephone area codes in the boroughs of the Bronx, Queens, Brooklyn, and Staten Island, as well as the Marble Hill section of Manhattan.They are overlaid by area code 917, which covers the entirety of New York City.rom Wikipedia, the free encyclopedia. The blue area is New York State; the red area is area code 718. North American area codes 718, 347, and 929 are New York City telephone area codes in the boroughs of the Bronx, Queens, Brooklyn, and Staten Island, as well as the Marble Hill section of Manhattan.