document.write( "Question 732309: If the line passing through the points (a,2) and (7,7) is parallel to the line passing through the points (4,8) and (a+3,2) what is the value of a? \n" ); document.write( "
Algebra.Com's Answer #447861 by lwsshak3(11628)\"\" \"About 
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If the line passing through the points (a,2) and (7,7) is parallel to the line passing through the points (4,8) and (a+3,2) what is the value of a?
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\n" ); document.write( "parallel lines have equal slopes
\n" ); document.write( "slope=∆y/∆x
\n" ); document.write( "(7-2)/(7-a)=(2-8)/((a+3)-4)
\n" ); document.write( "5/(7-a)=-6/(a-1)
\n" ); document.write( "-42+6a=5a-5
\n" ); document.write( "a=37
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