document.write( "Question 922543: I need help to solve each system and show how to graph:\r
\n" ); document.write( "\n" ); document.write( "4x-y=6
\n" ); document.write( "-2x+3y=12\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance\r
\n" ); document.write( "\n" ); document.write( "I tried to work and came up with an answer of 2,5
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Algebra.Com's Answer #559612 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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Solved by pluggable solver: Solve the System of Equations by Graphing

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\n" ); document.write( " Start with the given system of equations:
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\n" ); document.write( " \"4x-y=6\"
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\n" ); document.write( " \"-2x%2B3y=12\"
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\n" ); document.write( " In order to graph these equations, we need to solve for y for each equation.
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\n" ); document.write( " So let's solve for y on the first equation
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\n" ); document.write( " \"4x-y=6\" Start with the given equation
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\n" ); document.write( " \"-y=6-4x\" Subtract \"4+x\" from both sides
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\n" ); document.write( " \"-y=-4x%2B6\" Rearrange the equation
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\n" ); document.write( " \"y=%28-4x%2B6%29%2F%28-1%29\" Divide both sides by \"-1\"
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\n" ); document.write( " \"y=%28-4%2F-1%29x%2B%286%29%2F%28-1%29\" Break up the fraction
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\n" ); document.write( " \"y=4x-6\" Reduce
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\n" ); document.write( " Now lets graph \"y=4x-6\" (note: if you need help with graphing, check out this solver)
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\n" ); document.write( " \"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+4x-6%29+\" Graph of \"y=4x-6\"
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\n" ); document.write( " So let's solve for y on the second equation
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\n" ); document.write( " \"-2x%2B3y=12\" Start with the given equation
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\n" ); document.write( " \"3y=12%2B2x\" Add \"2+x\" to both sides
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\n" ); document.write( " \"3y=%2B2x%2B12\" Rearrange the equation
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\n" ); document.write( " \"y=%28%2B2x%2B12%29%2F%283%29\" Divide both sides by \"3\"
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\n" ); document.write( " \"y=%28%2B2%2F3%29x%2B%2812%29%2F%283%29\" Break up the fraction
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\n" ); document.write( " \"y=%282%2F3%29x%2B4\" Reduce
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\n" ); document.write( " Now lets add the graph of \"y=%282%2F3%29x%2B4\" to our first plot to get:
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\n" ); document.write( " \"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+4x-6%2C%282%2F3%29x%2B4%29+\" Graph of \"y=4x-6\"(red) and \"y=%282%2F3%29x%2B4\"(green)
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\n" ); document.write( " From the graph, we can see that the two lines intersect at the point (\"3\",\"6\") (note: you might have to adjust the window to see the intersection)
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