document.write( "Question 1073113: Good Afternoon,\r
\n" ); document.write( "\n" ); document.write( "Please help me to solve this equation: 3x-4y= -24 and x + y = -1.
\n" ); document.write( "I tried by solving this using simultaneous equation but I did not come alright.\r
\n" ); document.write( "\n" ); document.write( "here is my try:
\n" ); document.write( "3x-4y = -24 -x -y= -1 y == 3/4x-6(answer) but there is no answers mash.
\n" ); document.write( "I subtract equation 2 from equation 1
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #687984 by MathTherapy(10552) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( "Good Afternoon,\r
\n" ); document.write( "\n" ); document.write( "Please help me to solve this equation: 3x-4y= -24 and x + y = -1.
\n" ); document.write( "I tried by solving this using simultaneous equation but I did not come alright.\r
\n" ); document.write( "\n" ); document.write( "here is my try:
\n" ); document.write( "3x-4y = -24 -x -y= -1 y == 3/4x-6(answer) but there is no answers mash.
\n" ); document.write( "I subtract equation 2 from equation 1
\n" ); document.write( "

The easiest method is SUBSTITUTION
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document.write( "3x - 4y = - 24 -------- eq (i)
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document.write( "x + y = - 1_____y = - 1 - x ------ eq (ii)
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document.write( "3x - 4(- 1 - x) = - 24 ------ Substituting - 1 - x for y in eq (i)
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document.write( "3x + 4 + 4x = - 24
\n" );
document.write( "3x + 4x = - 24 - 4
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document.write( "7x = - 28
\n" );
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\n" );
document.write( "\n" );
document.write( "y = - 1 - - 4 ------ Substituting - 4 for x in eq (ii)
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document.write( " \n" );
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