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)![]() ![]() ![]() You can put this solution on YOUR website! 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( "*** \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 \n" ); document.write( " |