document.write( "Question 91112: 3(2y-1)=7-2(y-3) \n" ); document.write( "
Algebra.Com's Answer #66438 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 3(2y-1)= 7 - 2(y-3) \n" ); document.write( ": \n" ); document.write( "Multiply what's inside the brackets and you have: \n" ); document.write( "6y - 3 = 7 - 2y + 6: \"neg outside the brackets, changes signs inside the brackets\" \n" ); document.write( ": \n" ); document.write( "6y + 2y - 3 = 7 + 6; added 2y to both sides to isolate y on the left \n" ); document.write( ": \n" ); document.write( "8y = 13 + 3; added 3 to both sides to isolate y on the left \n" ); document.write( ": \n" ); document.write( "8y = 16 \n" ); document.write( ": \n" ); document.write( "y = 16/8; divide both sides by 8 \n" ); document.write( "y = 2 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution in original equation; substitute +2 for x: \n" ); document.write( "3(2y-1)= 7 - 2(y-3) \n" ); document.write( "3(2(2)- 1) = 7 - 2(2 - 3) \n" ); document.write( "3(4 - 1) = 7 - 2(-1); minus times a minus is plus \n" ); document.write( "3 * 3 = 7 + 2 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |