x+14y=84 2x-7y=-7

Question

x+14y=84                               2x-7y=-7

Nanukana · Answer

2x-7y=-7 2x+7=7y x+3.5=3.5y x=0 y=1 x+14y=84 14y=84-x x=0 y=6

shai.!* · Answer

this is how i just figured it out... x+14y=84 2x-7y=-7 ..... -7(x+14y=84) 14(2x-7y=-7) ------------- 7x+98y=588 +28x-98y=-98 -------------- 35x =490 ----- ---- 35 35 x=14 then i solved for y.