posted by jay jay .
Solve by eliminnation methods
solve the system by elimination method
x+6<-7 or x+6>4
Determine whether the given numbers are solutions of the inequality
Solve by the substitutioj method
Please post such problems separately and show your work. If you are unfamiliar with the elimination and substitution methods for solving simultaneous equations, referenc material can be provided.
Your first question has no solution because the two equations are incompatible. They represent two parallel lines.