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.
+1 is the international country code for USA and 972 is the dial code for Midlothian. Area code for other cities in Texas, USA: Abernathy 806 Abilene 325 Ackerly 432 Adkins 210 Adrian 806 Agua Dulce 361 Alamo 956 Albany (TX) 325 Aledo 817 Alice 361 Allen 972 / 469 / 214 Current time for area code 972 is: Mon, 08 Jan 2018 03:54 PM. 972 area code time zone is CST - Central Standard Time. See the area codes for other cities in the State of Texas.