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.
Metropolitan area codes with 651 in dark green. A map of Minnesota area codes. Area code 651 is the telephone numbering plan code for Saint Paul, Minnesota, and the eastern suburbs of the Twin Cities. A dogleg portion also extends to the southeast along the Mississippi River to include cities such as Red Wing.The region was the fifth area code created in the state in 1998, when it was carved out of area code 612. dogleg portion also extends to the southeast along the Mississippi River to include cities such as Red Wing. The region was the fifth area code created in the state in 1998, when it was carved out of area code 612.