Question 503751
12x-2y=7



12x-2(6x-5)=7



12x-12x+10=7



0x+10=7



0x=7-10



0x=-3



0=-3




Since this equation is <font size=4><b>never</b></font> true for any x value, this means that there are no solutions.



So the system is inconsistent.