document.write( "Question 197793: 3/4x + 4/3 = -2 \n" ); document.write( "

Algebra.Com's Answer #148481 by checkley77(12844) $\"\"$ $\"About$

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3/4x + 4/3 = -2
\n" ); document.write( "3x/4+4/3=-2
\n" ); document.write( "(3x*3+4*4)/(4*3)=-2
\n" ); document.write( "(9x+16)/12=-2
\n" ); document.write( "9x+16=-2*12
\n" ); document.write( "9x+16=-24
\n" ); document.write( "9x=-24-16
\n" ); document.write( "9x=-40
\n" ); document.write( "x=-40/9 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "3(-40/9)/4+4/3=-2
\n" ); document.write( "(-120/9)/4+4/3=-2
\n" ); document.write( "-120/9*1/4+4/3=-2
\n" ); document.write( "-120/36+4/3=-2
\n" ); document.write( "-10/3+4/3=-2
\n" ); document.write( "(-10+4)/3=-2
\n" ); document.write( "-6/3=-2
\n" ); document.write( "-2=-2 \n" ); document.write( "

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