Please please help!

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

Please please help!

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

3x-y=-9
y=3x+9
substitute in x+2y=2 and get the value of x and then y

anonymous · Answer

substitution method @lamp12345

anonymous · Answer

I know, it literally just wants the first step to each method. Nothing more, nothing less.

anonymous · Answer

3x-y=-9      ...(1)
x+2y=2        ...(2)
multiply (1) by2 and add in (2) ,y will be eliminated and find x

anonymous · Answer

orite dear.. :) PM me

anonymous · Answer

u can choose two method..either subs or eliminate it ;)

anonymous · Answer

for elimination of x,multiply (2) by 3 and subtract from (1),x will be eliminated.