document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102155>Question 102155</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi,  Can you please help with this equation?  I have a test first thing tomorrow morning and I am very stuck. I know what the answers should be, (x=1.5 and y=-0.8) but and having trouble getting there.\r<BR>\n" );
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document.write( "The equation is as follows:\r<BR>\n" );
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document.write( "1.2(x+4)-2.5(3y-2) = 2<BR>\n" );
document.write( "4/5(3x-5)+ 3/2(3y-4) = -10\r<BR>\n" );
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document.write( "This is what I've got so far:\r<BR>\n" );
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document.write( "1.2(x+4)-2.5(3y-2) = 2<BR>\n" );
document.write( ".08(3x-5)+1.5(3y-4) = -10\r<BR>\n" );
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document.write( "1.2x + 4.8 -7.5y+5 = 2<BR>\n" );
document.write( "2.4x-4 + 4.5y-6 = -10\r<BR>\n" );
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document.write( "1.2x + 9.8 -7.5y = 2<BR>\n" );
document.write( "2.4x -10 + 4.5y = -10\r<BR>\n" );
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document.write( "2.4x x -7.5 -10x-7.5 +4.5y-7.5 = 10x-7.5<BR>\n" );
document.write( "-18x +75 -33.75y = -75\r<BR>\n" );
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document.write( "1.2x-18x +9.8+75 - 7.5y-33.75y = -75+2<BR>\n" );
document.write( "16.8x + 84.8 - 41.25y = 77\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #74239 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=74239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.2(x+4)-2.5(3y-2) = 2<BR>\n" );
document.write( "Multiply thru by 10 to get rid of the decimals:<BR>\n" );
document.write( "12(x+4) - 25(3y-2) = 20<BR>\n" );
document.write( "12x+48-75y+50 = 20<BR>\n" );
document.write( "12x-75y= -78<BR>\n" );
document.write( "Divide thru by 3 to get:<BR>\n" );
document.write( "4x - 25y = -26<BR>\n" );
document.write( "---------------------\r<BR>\n" );
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document.write( "(4/5)(3x-5)+ (3/2)(3y-4) = -10 <BR>\n" );
document.write( "Multiply thru by 10 to get rid of the denominators:<BR>\n" );
document.write( "8(3x-5) + 15(3y-4) = -100<BR>\n" );
document.write( "24x-40+45y-60 = -100<BR>\n" );
document.write( "24x+45y = 0<BR>\n" );
document.write( "8x+15y = 0<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Solve this system of equations:<BR>\n" );
document.write( "1st: 4x - 25y = -26<BR>\n" );
document.write( "2nd: 8x + 15y = 0<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Multiply 1st by \"2\" to get:<BR>\n" );
document.write( "3rd: 8x - 50y = -52<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Subtract 2nd from 3rd to get:<BR>\n" );
document.write( "-65y = -52<BR>\n" );
document.write( "y = (4/5) or 0.8<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Substitute into 2nd to solve for \"x\"<BR>\n" );
document.write( "8x + 15(4/5) =0<BR>\n" );
document.write( "8x + 12 = 0<BR>\n" );
document.write( "x = -1.5<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Final solution: <BR>\n" );
document.write( "x= -1.5<BR>\n" );
document.write( "y= 0.8<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Check the answer in 1.2(x+4)-2.5(3y-2) = 2<BR>\n" );
document.write( "1.2((-1.5)+4)-2.5(3*0.8-2) = 2<BR>\n" );
document.write( "1.2(2.5) - 2.5(0.4) = 2<BR>\n" );
document.write( "3 - 1 = 2<BR>\n" );
document.write( "2 = 2<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );