document.write( "Question 343281: seven more than four times a nnumber is the same as five less than eight times the number.what is the number? \n" ); document.write( "
Algebra.Com's Answer #245659 by haileytucki(390)![]() ![]() You can put this solution on YOUR website! 4x+7=8x-5\r \n" ); document.write( "\n" ); document.write( "Since 8x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 8x from both sides. \n" ); document.write( "4x+7-8x=-5\r \n" ); document.write( "\n" ); document.write( "Since 4x and -8x are like terms, add -8x to 4x to get -4x. \n" ); document.write( "-4x+7=-5\r \n" ); document.write( "\n" ); document.write( "Since 7 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 7 from both sides. \n" ); document.write( "-4x=-7-5\r \n" ); document.write( "\n" ); document.write( "Subtract 5 from -7 to get -12. \n" ); document.write( "-4x=-12\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by -4. \n" ); document.write( "-(4x)/(-4)=-(12)/(-4)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "x=-(12)/(-4)\r \n" ); document.write( "\n" ); document.write( "Simplify the right-hand side of the equation by simplifying each term. \n" ); document.write( "x=3 \n" ); document.write( " |