1a+2b+3c=17 2a-2b+4c=20 4a+1b-4c=-3 elimination find all variables

What term makes it inconsistent y=2x - 4

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.