document.write( "Question 570069: 2a+6=-a-8\r
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document.write( "Show work please, and try to
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document.write( " explain it as best as possible
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document.write( "thx :) \n" );
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Algebra.Com's Answer #367528 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2a+6=-a-8\r \n" ); document.write( "\n" ); document.write( "You find that the variable a is on both sides of the = sign.\r \n" ); document.write( "\n" ); document.write( "to find the value of a you have to have the a's on one side and the numbers on the other side.\r \n" ); document.write( "\n" ); document.write( "Fisrt lets bring the a on the right side to the left of the = sign\r \n" ); document.write( "\n" ); document.write( "add a to both sides of the equation\r \n" ); document.write( "\n" ); document.write( "2a+a+6 =-a+a-8\r \n" ); document.write( "\n" ); document.write( "2a+a=3a, +a & -a= 0 on the right side. You have -8 left\r \n" ); document.write( "\n" ); document.write( "3a+6 =-8\r \n" ); document.write( "\n" ); document.write( "we remove the number from the left side of the = sign\r \n" ); document.write( "\n" ); document.write( "add -6 to both sides of the equation\r \n" ); document.write( "\n" ); document.write( "3a+6-6 = -8-6\r \n" ); document.write( "\n" ); document.write( "+6 & -6 =0\r \n" ); document.write( "\n" ); document.write( "3a= -14\r \n" ); document.write( "\n" ); document.write( "Now the 3 has to be eliminated to find the value of a\r \n" ); document.write( "\n" ); document.write( "you divide both sides of the equation by 3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |