document.write( "Question 177489: I need help with Converting this equation 6x+3y=4.5 into a function and find f(5). Please. Show steps so I may understand Thank you. \n" ); document.write( "
Algebra.Com's Answer #132525 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"6x%2B3y=4.5\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3y=4.5-6x\" Subtract \"6x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"3y=-6x%2B4.5\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-6x%2B4.5%29%2F%283%29\" Divide both sides by \"3\" to isolate y.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28%28-6%29%2F%283%29%29x%2B%284.5%29%2F%283%29\" Break up the fraction.\r
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\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B1.5\" Divide.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=-2x%2B1.5\" Now replace \"y\" with f(x). The equation is now in function form.\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=-2%285%29%2B1.5\" Plug in \"x=5\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=-10%2B1.5\" Multiply \"-2\" and \"5\" to get \"-10\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%285%29=-8.5\" Combine like terms.
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