document.write( "Question 389520: solve each system by graphing!
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document.write( "how do i do this?
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document.write( "3x*4y=13
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document.write( "2x+y=5 \n" );
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Algebra.Com's Answer #276025 by haileytucki(390)![]() ![]() You can put this solution on YOUR website! 2x+y=5\r \n" ); document.write( "\n" ); document.write( "To find the x-intercept, substitute in 0 for y and solve for x. \n" ); document.write( "2x+(0)=5\r \n" ); document.write( "\n" ); document.write( "Remove the parentheses around the expression 0. \n" ); document.write( "2x+0=5\r \n" ); document.write( "\n" ); document.write( "Remove the 0 from the polynomial; adding or subtracting 0 does not change the value of the expression. \n" ); document.write( "2x=5\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by 2. \n" ); document.write( "(2x)/(2)=(5)/(2)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "x=(5)/(2)\r \n" ); document.write( "\n" ); document.write( "To find the y-intercept, substitute in 0 for x and solve for y. \n" ); document.write( "2(0)+y=5\r \n" ); document.write( "\n" ); document.write( "Multiply 2 by each term inside the parentheses. \n" ); document.write( "0+y=5\r \n" ); document.write( "\n" ); document.write( "Solve the equation. \n" ); document.write( "y=5\r \n" ); document.write( "\n" ); document.write( "These are the x and y intercepts of the equation 2x+y=5. \n" ); document.write( "x=(5)/(2), y=5\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x*4y=13\r \n" ); document.write( "\n" ); document.write( "To find the x-intercept, substitute in 0 for y and solve for x. \n" ); document.write( "3x*4(0)=13\r \n" ); document.write( "\n" ); document.write( "Multiply 3x by 4 to get 12x. \n" ); document.write( "12x(0)=13\r \n" ); document.write( "\n" ); document.write( "Multiply 12x by each term inside the parentheses. \n" ); document.write( "0=13\r \n" ); document.write( "\n" ); document.write( "Since 0$13, there are no solutions. \n" ); document.write( "No Solution\r \n" ); document.write( "\n" ); document.write( "To find the y-intercept, substitute in 0 for x and solve for y. \n" ); document.write( "3(0)*4y=13\r \n" ); document.write( "\n" ); document.write( "Multiply 3 by 4y to get 12y. \n" ); document.write( "12y(0)=13\r \n" ); document.write( "\n" ); document.write( "Multiply 12y by each term inside the parentheses. \n" ); document.write( "0=13\r \n" ); document.write( "\n" ); document.write( "Solve the equation. \n" ); document.write( "No Solution\r \n" ); document.write( "\n" ); document.write( "These are the x and y intercepts of the equation 3x*4y=13. \n" ); document.write( "No x or y intercepts.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I was not sure if each are seperate or you needed solving by using the Graphing Method to solve; if so:\r \n" ); document.write( "\n" ); document.write( "3x*4y=13_2x+y=5\r \n" ); document.write( "\n" ); document.write( "Multiply 3x by 4y to get 12xy. \n" ); document.write( "12xy=13_2x+y=5\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by 12x. \n" ); document.write( "(12xy)/(12x)=(13)/(12x)_2x+y=5\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "y=(13)/(12x)_2x+y=5\r \n" ); document.write( "\n" ); document.write( "Since 2x does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 2x from both sides. \n" ); document.write( "y=(13)/(12x)_y=-2x+5\r \n" ); document.write( "\n" ); document.write( "Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution. \n" ); document.write( "y=(13)/(12x)_y=-2x+5 \n" ); document.write( " |