I need answers to the following please:

5x+y=3 and y=3-5x system of equations

6x=3y-5 and 7x+2=4y elimination method

3x-y=6 and 6x-2y=18

1/4x + 1/3y=5 substitution method

(2,-2) 3x=8-y and 9x=24+3y is this ordered pair a solution

3x+4y=4 and x=32-9y substitution method

x+y=-1 and x-y=9 elimination method

2x-3y=0 and 4x+4y=0 system of equations

2x=-7y and 3x-7y=-25 elimination method

5x=23+4y and -6/5x+y=-26/5 elimination method

8x-y=5 and x+9y=28 elimination method

Please help me with the answers to the question above