Thanks, That did help a lot. I tried doing one on my own right after, but am a little stuck. x-2y=4 2x-4y=5 I did: 2y=4+x 2x-4(4+x)=5 2x-16+4x=5 ----> 6x = ?
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Edit: Your method is littered with small errors: did you check it? From , Substituting this into : Try to solve this, and you will realize that as the original equations suggest. Do you have a typo?
Originally Posted by annon25 Thanks, That did help a lot. I tried doing one on my own right after, but am a little stuck. x-2y=4 2x-4y=5 I did: 2y=4+x 2x-4(4+x)=5 2x-16+4x=5 ----> 6x = ? Did you make up these two equations? As Quacky proved, 8 does not equal 5. Here are two more samples for you to practice. 2x – 3y = –2 4x + y = 24 AND the second below 7x + 2y = 16 –21x – 6y = 24
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