document.write( "Question 389718: hello.please solve for the variable in each equation. show work and provide a check for answers. if solution is undefined state that in answer. thank you for your time!\r
\n" ); document.write( "\n" ); document.write( "1-y/1+y =2/3\r
\n" ); document.write( "\n" ); document.write( "x-2/x+1 = x+1/x-2\r
\n" ); document.write( "\n" ); document.write( "3x/x-2 = 6/x-2\r
\n" ); document.write( "\n" ); document.write( "solve the formulas below for the indicated variable. show work.
\n" ); document.write( "m = f/a, for a\r
\n" ); document.write( "\n" ); document.write( "E/R + r = I, for R \n" ); document.write( "

Algebra.Com's Answer #276253 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi,         
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document.write( " Cross Multiplying
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document.write( " 2(1+y) = 3(1-y)
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document.write( " 2 + 2y = 3 - 3y
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document.write( "     5y = 1
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document.write( "      y = 1/5
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document.write( "CHECKING our Answer
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document.write( " 2 * 6/5 = 3*4/5 = 12/5\r
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document.write( " Cross Multiplying
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document.write( " (x+1)(x+1) = (x-2)(x-2)
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document.write( "x^2 + 2x + 1 = x^2 -4x + 4
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document.write( "         6x = 3
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document.write( "          x = 1/2
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document.write( "CHECKING our Answer
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document.write( " -3/2 / 3/2 = 3/2/-3/2 = -1\r
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document.write( " Cross Multiplying
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document.write( "  6(x-2) = 3x(x-2)
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document.write( " 6x -12 = 3x^2 - 6x
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document.write( " 3x^2 -12x + 12 = 0
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document.write( "x^2 - 4x + 4 = 0
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document.write( "(x - 2)(x-2) = 0
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document.write( "(x - 2)= 0
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document.write( "(x - 2) = 0
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document.write( "    x = 2  Solution undefined as zero cannot be a denominator
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document.write( "m = f/a, for a    a = f/m
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document.write( "E/R + r = I, for R   
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document.write( "E/R = I - r
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document.write( "E = R(I-r)
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document.write( "E/(I-r) = R \n" );
document.write( "

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