document.write( "Question 1047253: Which of the ordered pairs is a solution for the equation 4x-2y=8? \n" ); document.write( "
Algebra.Com's Answer #662769 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
what you need to do is x and y in the original equation to see if it holds true.\r
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\n" ); document.write( "\n" ); document.write( "you can also solve the equation for y and then take values of x given to see if you get the y given.\r
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\n" ); document.write( "\n" ); document.write( "start with 4x - 2y = 8
\n" ); document.write( "add 2y to both sides of the equation and subtract 8 from both sides of the equation to get 4x - 8 = 2y
\n" ); document.write( "divide both sides of the equation by 2 to get 2x - 4 = y
\n" ); document.write( "if x is 0, y has to be -4
\n" ); document.write( "if x is 1, y has to be -2
\n" ); document.write( "if x is 2, y has to be 0
\n" ); document.write( "if x is 3, y has to be 2
\n" ); document.write( "etc.
\n" ); document.write( "you can also graph the equation of y = 2x - 8\r
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\n" ); document.write( "\n" ); document.write( "simply replacing x with the value of x and y with the value of y in the original equation to see if the equation is true might be the fastest way.\r
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\n" ); document.write( "\n" ); document.write( "for example:
\n" ); document.write( "the original equation is 4x - 2y = 8
\n" ); document.write( "assume one of your possible solutions is (3,2)
\n" ); document.write( "replace x with 3 and y with 2 to get 4*3 - 2*2 = 8
\n" ); document.write( "simplify to get 12 - 4 = 8
\n" ); document.write( "simplify further to get 8 = 8
\n" ); document.write( "the equation is true, therefore (3,2) is a solution to the equation.\r
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