document.write( "Question 729203: how do you substitute y=7x y=5x-14 \n" ); document.write( "
Algebra.Com's Answer #445762 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint:\r
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\n" ); document.write( "\n" ); document.write( "y=5x-14\r
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\n" ); document.write( "\n" ); document.write( "7x=5x-14 ... plug in y = 7x\r
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\n" ); document.write( "\n" ); document.write( "now solve for x, then use the answer for x to get the value for y
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