document.write( "Question 130860This question is from textbook Algebra 1
\n" ); document.write( ": Please help me solve this equation: 1.8x-0.3y=14.4 and x-0.6y=2.8
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #95583 by checkley71(8403) $\"\"$ $\"About$

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1.8X-.3Y=14.4
\n" ); document.write( "-.3Y=-1.8X+14.4
\n" ); document.write( "Y=-1.8X/-.3+14.4/-.3
\n" ); document.write( "Y=6X-48 (RED LINE)
\n" ); document.write( "X-.6Y=2.8
\n" ); document.write( "-.6Y=-X+2.8
\n" ); document.write( "Y=-X/-.6+2.8/-.6
\n" ); document.write( "Y=X/6-1.4/.3 (GREEN LINE)
\n" ); document.write( "Y=6X-48 NOW SUBTRACT.
\n" ); document.write( "---------------------------------------
\n" ); document.write( "0=-6X+X/6+48-1.4/3
\n" ); document.write( "0=(-6X*6+X)/6+(3*48-1.4)/3
\n" ); document.write( "0=(-36X+X)/6+(144-1.4)/3
\n" ); document.write( "0=-35X/6+142.6/3
\n" ); document.write( "35X/6=142.6/3
\n" ); document.write( "35X*3=6*142.6
\n" ); document.write( "105X=855.6
\n" ); document.write( "X=855.6/105
\n" ); document.write( "X=8.15 ANSWER.
\n" ); document.write( "1.8*8.15-.3Y=14.4
\n" ); document.write( "14.67-.3Y=14.4
\n" ); document.write( "-.3Y=14.4-14.67
\n" ); document.write( "-.3Y=.27
\n" ); document.write( "Y=-.27/-.3
\n" ); document.write( "Y=.9 ANSWER.
\n" ); document.write( "ANSWER (8.15,0.9)
\n" ); document.write( " $\"+graph%28+300%2C+300%2C+-6%2C+15%2C+-50%2C+10%2C+6x+-48%2C+x%2F6+-1.4%2F3%29+\"$ (graph 300x300 pixels, x from -6 to 15, y from -50 to 10, of TWO functions 6x -48 and x/6 -1.4/3). \n" ); document.write( "

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