document.write( "Question 42702This question is from textbook algebra and trigonometry
\n" ); document.write( ": inequaliyt 7<4x+3<21, what is the interval \n" ); document.write( "
Algebra.Com's Answer #27825 by fractalier(6550)\"\" \"About 
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From
\n" ); document.write( "7 < 4x+3 < 21
\n" ); document.write( "we can treat this \"pair\" of inequalities as one if we're careful...
\n" ); document.write( "let us subtract 3 from all quantities first, then divide by 4 and we get
\n" ); document.write( "4 < 4x < 18
\n" ); document.write( "1 < x < 9/2
\n" ); document.write( "In interval notation, this is
\n" ); document.write( "(1, 9/2)
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