The system 3x-y=-9 and x+2y=2 may be solved algebraically using several different methods. Show the first step in solving the system using each method below. Do not solve the system.

Substitution for y:

Elimination of x:

Question

The system 3x-y=-9   and x+2y=2  may be solved algebraically using several different methods. Show the first step in solving the system using each method below. Do not solve the system.

Substitution for y:

Elimination of x:

anonymous · Answer

im confused as to what your asking, it tells you exactly the two methods.  move the equation around to get y alone on one side and sub it into the other equation then solve for X  now you have X use it to solve for y

anonymous · Answer

Ya sorry I know Idk why my computer posted it I didn't mean too I thought it was different question but idk how to delete this one