document.write( "Question 365489: if the lines ax - y = 3 and x + 2y = b intersect at point (2,1) then the values of a and b , respectively are \n" ); document.write( "

Algebra.Com's Answer #260566 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi, 
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document.write( "lines ax - y = 3 and x + 2y = b intersect at point (2,1)
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document.write( "using the ordered pair (2,1)
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document.write( "ax - y = 3
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document.write( "2a - 1 = 3
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document.write( "a = 2
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document.write( "Again, using the ordered pair (2,1)for the second equation
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document.write( " x + 2y = b
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document.write( "2 + 2 = b
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document.write( "4 = b
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