document.write( "Question 101139: Solve the following system by substitution\r
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document.write( "8x-2y=6
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document.write( "y=4x-3 \n" );
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Algebra.Com's Answer #73621 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! Y=4X-3 \n" ); document.write( "8X-2(4X-3)=6 \n" ); document.write( "8X-8X+6=6 \n" ); document.write( "0X=0 \n" ); document.write( "THESE TWO EQUATIONS ARE THE SAME THEREFORE THERE IS NOW UNIQUE SOLUTION WITH ONE EQUATION HAVING TWO UNKNOWNS: \n" ); document.write( "ASSIGNING A VALUE TO X AND SOLVING FOR Y IS THE ONLY WAY TO GET ONE OF MANY SOLUTIONS. BY CONTINUING TO SUBSTITUTE DIFFERENT VALUES FOR X OR Y AND SOLVING FOR THE OTHER UNKNOWN THEN PUTING THE VALUES IN A TABLE IS THE ONLY SOLUTION. \n" ); document.write( " |