document.write( "Question 203057: how do I solve: \r
\n" ); document.write( "\n" ); document.write( "3x/5 = -6 \r
\n" ); document.write( "\n" ); document.write( "y/4 + 2 = 7 \r
\n" ); document.write( "\n" ); document.write( "16 = -2x/3 \r
\n" ); document.write( "\n" ); document.write( "Find f(1) for f(x) = 2x3 - 3x2 + x – 21
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Algebra.Com's Answer #153194 by RAY100(1637)\"\" \"About 
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3x/5 = -6,,,,mult by 5
\n" ); document.write( "3x=-30,,,,,,divide by 3
\n" ); document.write( "x=-10
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\n" ); document.write( "y/4 +2 =7,,,,,subst 2
\n" ); document.write( "y/4 =5,,,,,,,,,mult by 4
\n" ); document.write( "y=20
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\n" ); document.write( ".16 = -2x/3,,,,,,,,mult by 3
\n" ); document.write( "48 =-2x,,,,,,,,,,,divide by (-2)
\n" ); document.write( "-24 =x
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\n" ); document.write( "f(x) =2x^3 -3x^2 +x -21
\n" ); document.write( "f(1) = 2(1)^3 -3(x)^2 +(1) -21
\n" ); document.write( "f(1)= 2-3+1-21 = -21
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