Difference between revisions of "1985 AHSME Problems/Problem 1"
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If <math> 2x+1=8 </math>, then <math> 4x+1= </math> | If <math> 2x+1=8 </math>, then <math> 4x+1= </math> |
Revision as of 15:42, 26 May 2012
Problem
If , then
Solution
Solution 1
From , we subtract from both sides to get . We can divide both sides now by to get . Now we can substitute this into to get .
Solution 2
We proceed from as above. Notice that , so .
See Also
1985 AHSME (Problems • Answer Key • Resources) | ||
Preceded by First Problem |
Followed by Problem 2 | |
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All AHSME Problems and Solutions |