document.write( "Question 345925: Please help me graph this linear equation 3x-9y=18 \n" ); document.write( "
Algebra.Com's Answer #247355 by haileytucki(390)![]() ![]() You can put this solution on YOUR website! 3x-9y=18\r \n" ); document.write( "\n" ); document.write( "Since 3x does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 3x from both sides. \n" ); document.write( "-9y=-3x+18\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by -9. \n" ); document.write( "-(9y)/(-9)=-(3x)/(-9)+(18)/(-9)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "y=-(3x)/(-9)+(18)/(-9)\r \n" ); document.write( "\n" ); document.write( "Simplify the right-hand side of the equation by simplifying each term. \n" ); document.write( "y=(x)/(3)-2\r \n" ); document.write( "\n" ); document.write( "and....\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x-9y=18\r \n" ); document.write( "\n" ); document.write( "Since -9y does not contain the variable to solve for, move it to the right-hand side of the equation by adding 9y to both sides. \n" ); document.write( "3x=9y+18\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by 3. \n" ); document.write( "(3x)/(3)=(9y)/(3)+(18)/(3)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "x=(9y)/(3)+(18)/(3)\r \n" ); document.write( "\n" ); document.write( "Simplify the right-hand side of the equation by simplifying each term. \n" ); document.write( "x=3y+6\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your plotted points are (6,0) (0, -2) (-3,-3) (-9,-5)\r \n" ); document.write( "\n" ); document.write( "Put all of these on your graph and all of the points that your line crosses are also answers for x and y within this equation. \n" ); document.write( " |