Solve the system using the elimination method. - Which one should I do first 3x-4y+z=-5
6x-4y+z=1
x+y+z=6

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!