document.write( "Question 511320: Solve the system of equations using the substitution method. 3x-4y=17, \n" ); document.write( "
Algebra.Com's Answer #342185 by 10301650(32)![]() ![]() You can put this solution on YOUR website! GIVEN: ---: 3x-4y=17 \n" ); document.write( " ---: y=x-5\r \n" ); document.write( "\n" ); document.write( " substitute Y into x-5 \n" ); document.write( "---: 3x-4(4x-5)=17 \n" ); document.write( "---: 3x-4x+20=17 \n" ); document.write( "---: -x=17-20 \n" ); document.write( "---: -x=-3 \n" ); document.write( "multiply both side with -1 \n" ); document.write( "---: -1(-x=-3)-1 \n" ); document.write( "---: x=3 (ANSWER) \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "then use the second given to find the answer for the Y \n" ); document.write( ". \n" ); document.write( "y=3-5 \n" ); document.write( "y=-2 (ANSWER) \n" ); document.write( " |