document.write( "Question 137306This question is from textbook
\n" ); document.write( ": Could you please help me by solving this equation using the substitution method?\r
\n" ); document.write( "\n" ); document.write( "y-2x=-7.5
\n" ); document.write( "3x-5y=3.2\r
\n" ); document.write( "\n" ); document.write( "y-2x=-7.5 by adding 2x to both sides of the equation
\n" ); document.write( " y=2x-7.5\r
\n" ); document.write( "\n" ); document.write( "Now substitue y(2x-7.5) into
\n" ); document.write( "3x-5(2x-7.5)=3.2
\n" ); document.write( "3x-10x+37.5=3.2
\n" ); document.write( "-7x+37.5=3.2
\n" ); document.write( " -7x=3.2-37.5
\n" ); document.write( " -7x=-34.3 by dividing -7 to each side of the equation
\n" ); document.write( " x=4.9
\n" ); document.write( "Your y answer is:
\n" ); document.write( " y=2x-7.5
\n" ); document.write( " =2(4.9)-7.5
\n" ); document.write( " y=2.3\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "I would be very much appreciated to you. Please help!
\n" ); document.write( "Thank you.
\n" ); document.write( "J. R \n" ); document.write( "

Algebra.Com's Answer #100451 by tns_tutor5000(9) $\"\"$ $\"About$

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