Discover Questions

Use addition or substitution to find the value of x for this set of equations. x + y = 14
x = 6y? Which number is the routing number the first set or the second set? Same problem as herbrowley? URGENTE como encontrar C en un trinomio de la forma ax2+bx+c=0 si no me dan C ? How many times a day does the Earth go around the Sun?