document.write( "Question 130040:
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document.write( "solve the following system of equations by the substitution method:\r
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document.write( "4x=3y+30 3y-5x=-33\r
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document.write( "after substituting, find the remaining equation and the y coordinate of the solution. \n" );
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Algebra.Com's Answer #95017 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 3Y-5X=-33 OR 3Y=5X-33 NOW REPLACE 3Y IN THE OTHER EQUATION BY (5X-33) & SOLVE FOR X: \n" ); document.write( "4X=(5X-33)+30 \n" ); document.write( "4X=5X-33+30 \n" ); document.write( "4X-5X=-3 \n" ); document.write( "-X=-3 \n" ); document.write( "X=-3/-1 \n" ); document.write( "X=3 \n" ); document.write( "3Y=5*3-33 \n" ); document.write( "3Y=15-33 \n" ); document.write( "3Y=-18 \n" ); document.write( "Y=-18/3 \n" ); document.write( "Y=-6 ANSWER. \n" ); document.write( " \n" ); document.write( " |