document.write( "Question 15177: I have two equations. The answers for both X & Y are the same. I have tried to figure it out and have been unable to get the answer. Here are the equations.
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document.write( "2x + 3y = 33\r
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document.write( "x + 5y = 27 \n" );
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Algebra.Com's Answer #7646 by LilSkittleMd(119)![]() ![]() ![]() You can put this solution on YOUR website! 2x + 3y = 33 \n" ); document.write( "x + 5y = 27 \n" ); document.write( "Solve the second equation for x \n" ); document.write( "x=27-5y \n" ); document.write( "Substitute the value of x into the first equation \n" ); document.write( "2(27-5y)+3y=33 \n" ); document.write( "Distribute \n" ); document.write( "54-10y+3y=33 \n" ); document.write( "Combine like terms \n" ); document.write( "54-7y=33 \n" ); document.write( "Subtract 54 from both sides \n" ); document.write( "-7y=-21 \n" ); document.write( "Divide each side by -7 \n" ); document.write( "y=3 \n" ); document.write( "Plug in the value of y into one of the original equations \n" ); document.write( "x+5(3)=27 \n" ); document.write( "x+15=27 \n" ); document.write( "x=12 \n" ); document.write( "x=12 and y=3 \n" ); document.write( " |