document.write( "Question 432999: What is a in the equation 4(a +5) = 1-(a-(1-a))? The answer says 15/8 and I keep getting -15/4 \n" ); document.write( "
Algebra.Com's Answer #300107 by rwm(914)\"\" \"About 
You can put this solution on YOUR website!
As it is written a=-3
\n" ); document.write( "4(a+5)=1-(a-(1-a))
\n" ); document.write( "remove last parentheses
\n" ); document.write( "4(a+5)=1-(a-1+a)
\n" ); document.write( "combine
\n" ); document.write( "4(a+5)=1-(2a-1)
\n" ); document.write( "remove last parentheses
\n" ); document.write( "4*(a+5)=1-2a+1
\n" ); document.write( "4*(a+5)=2-2a
\n" ); document.write( "combine
\n" ); document.write( "4(a+5)=2(1-a)
\n" ); document.write( "divide by 2
\n" ); document.write( "2(a+5)=1-a
\n" ); document.write( "remove last parentheses
\n" ); document.write( "2a+10=1-a
\n" ); document.write( "combine
\n" ); document.write( "3a=-9
\n" ); document.write( "divide by 3
\n" ); document.write( "a=-3\r
\n" ); document.write( "\n" ); document.write( "4(-3+5)=1-(-3-(1-(-3))
\n" ); document.write( "4*(2)=1-(-3-(1+3))
\n" ); document.write( "8=1-(-3-4)
\n" ); document.write( "8=1-(-7)
\n" ); document.write( "8=1+7
\n" ); document.write( "8=8
\n" ); document.write( "check
\n" ); document.write( "
\n" );