document.write( "Question 191738: In triangleABC, AC = 3x-14, BC= 7x-74, and measure of angle C= 90 degrees. Find the value of x that makes triangleABC a right isosceles triangle. \n" ); document.write( "
Algebra.Com's Answer #143959 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 3X-14=7X-74 \n" ); document.write( "3X-7X=-74+14 \n" ); document.write( "-4X=-60 \n" ); document.write( "X=-60/-4 \n" ); document.write( "X=15 ANS. \n" ); document.write( "PROOF \n" ); document.write( "3*15-14=7*15-74 \n" ); document.write( "45-14=105-74 \n" ); document.write( "31=31 \n" ); document.write( " |