document.write( "Question 278188: I need to change these problems to slope intercept form but i dont know how.
\n" ); document.write( "2x-3y=9
\n" ); document.write( "x-4y=20
\n" ); document.write( "6x+9y=27
\n" ); document.write( "7x-3y=12
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Algebra.Com's Answer #202440 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
I'll do the first two to get you started.\r
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\n" ); document.write( "\n" ); document.write( "\"2x-3y=9\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-3y=9-2x\" Subtract \"2x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-3y=-2x%2B9\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-2x%2B9%29%2F%28-3%29\" Divide both sides by \"-3\" to isolate y.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28%28-2%29%2F%28-3%29%29x%2B%289%29%2F%28-3%29\" Break up the fraction.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%282%2F3%29x-3\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So the equation \"y=%282%2F3%29x-3\" is now in slope intercept form \"y=mx%2Bb\" where the slope is \"m=2%2F3\" and the y-intercept is \"b=-3\" note: the y-intercept is the point \r
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\n" ); document.write( "\n" ); document.write( "# 2\r
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\n" ); document.write( "\n" ); document.write( "\"x-4y=20\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-4y=20-x\" Subtract \"x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-4y=-x%2B20\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-x%2B20%29%2F%28-4%29\" Divide both sides by \"-4\" to isolate y.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28%28-1%29%2F%28-4%29%29x%2B%2820%29%2F%28-4%29\" Break up the fraction.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%281%2F4%29x-5\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So the equation \"y=%281%2F4%29x-5\" is now in slope intercept form \"y=mx%2Bb\" where the slope is \"m=1%2F4\" and the y-intercept is \"b=-5\" note: the y-intercept is the point
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