document.write( "Question 1178175: Solve the following system of equations.\r
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document.write( "2 x - 5 y = -13
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document.write( "3 x+ 2 y = 9\r
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document.write( "Answer: (x, y) = \n" );
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Algebra.Com's Answer #807360 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "When the equations are both in Ax+By=C form, solving by elimination is almost always easiest. \n" ); document.write( "(1) Multiply the first equation by 2 to get a \"-10y\" term \n" ); document.write( "(2) Multiply the second equation by 5 to get a \"+10y\" term \n" ); document.write( "(3) Add the two resulting equations to get an equation in x only \n" ); document.write( "(4) Solve that equation for x \n" ); document.write( "(5) Substitute the value of x from (4) into either of the original equations \n" ); document.write( "(6) Solve the resulting equation for y \n" ); document.write( "(7) Check your work by making sure the values you found for x and y satisfy both original equations \n" ); document.write( "If you need help with this, re-post, showing the work you have done and telling us where you are having difficulty. \n" ); document.write( " \n" ); document.write( " |