Difference between revisions of "2005 AMC 12B Problems/Problem 2"

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== Problem ==
 
== Problem ==
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The equations <math>2x+7=3</math> and <math>bx-10=-2</math> have the same solution for <math>x</math>.  What is the value of <math>b</math>?
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<math>
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\mathrm{(A)}\ -8      \qquad
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\mathrm{(B)}\ -4      \qquad
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\mathrm{(C)}\ -2      \qquad
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\mathrm{(D)}\  4      \qquad
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\mathrm{(E)}\  8
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</math>
  
 
== Solution ==
 
== Solution ==

Revision as of 21:33, 17 April 2009

Problem

The equations $2x+7=3$ and $bx-10=-2$ have the same solution for $x$. What is the value of $b$?

$\mathrm{(A)}\ -8      \qquad \mathrm{(B)}\ -4      \qquad \mathrm{(C)}\ -2      \qquad \mathrm{(D)}\  4      \qquad \mathrm{(E)}\  8$

Solution

See also