No, no, no, no, no, no, no...I have no idea what all that nonsense above is.
Multiply the first equation by 7 and the bottom by 9 so that the s's cancel.
Now put r=4 back into any original equation.
algebra - solve by the elimination method: 7r-9s=4 9r+7s=98
algebra - I need help! Solve by hte elimination method: 7r-9s=-12 9r+7s=96 When ...
math - I need help! Solve by hte elimination method: 7r-9s=-12 9r+7s=96 When I ...
Math - Can someone please help with this problem? Solve by the elimination ...
Algebra - Solve by elimination method. 7r-3s=14 3r+7s=64 Could never figure out ...
Algebra - SOLVE BY ELIMINATION METHOD 7r-8s+-20 8r+7s+74
Algebra - solve by elimination method; 3r-7s=13, 7r-3s=69
algebra - solve the elimination method 7r-3s=0 3r+7s=58 what is the solution of ...
algebra - 7r-3s=18 3r+7s=16 Solve by the elimination method, please.
algebra - solve by the elimination method 3r - 7s=-29 7r + 3x =29