document.write( "Question 10945: how do you do these types of equations?:\r
\n" ); document.write( "\n" ); document.write( "5-2(y+1)=21
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Algebra.Com's Answer #5772 by rahman(247)\"\" \"About 
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5-2(y+1)=21
\n" ); document.write( "5-2*y + (-2)*1 = 21
\n" ); document.write( "5 - 2y - 2 = 21
\n" ); document.write( "5 - 2 -2y = 21
\n" ); document.write( "3 - 2y = 21
\n" ); document.write( "-2y = 21 - 3
\n" ); document.write( "-2y = 18
\n" ); document.write( "y = 18 : (-2)
\n" ); document.write( "y = -9
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