document.write( "Question 310807: what value of b will make the system y=2x+7 and y=2.5x+b intersect at the point (-1,5)? \n" ); document.write( "
Algebra.Com's Answer #222281 by stanbon(75887)\"\" \"About 
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what value of b will make the system y=2x+7 and y=2.5x+b intersect at the point (-1,5)?
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\n" ); document.write( "Substitute for x and y and solve for \"b\":
\n" ); document.write( "5 = 2.5(-1) + b\r
\n" ); document.write( "\n" ); document.write( "b = 7.5\r
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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