document.write( "Question 21002: My son is in pre-algebra. I am trying to help him, but I don't know what this is called! I did the questions in excel and came out with the right answers, but I don't know how to get there! I am exacerbated! Anyway...I know I am missing something, but what? -3s+2(-5s+1) s=-3
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document.write( "Ok, you solve what is in the ( ) first (right?); so (-5s+1) is (-5*-3+1)=-5*-3=15 then 15+1=16; so -3s+2(16); then -3*-3=9; 9+2(16), 11(16), 11*16=the wrong answer! How do you get 41? Please help. It has been over 20 years since I did any of this, and I don't remember any of it!\r
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document.write( "Thank you,
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document.write( "Shelli \n" );
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Algebra.Com's Answer #10077 by kalants(7)![]() ![]() ![]() You can put this solution on YOUR website! Well, you've got all the right steps 'til the end. You're multiplying instead of adding. \n" ); document.write( "-3s+2(-5s+1) s=-3 \n" ); document.write( "-3(-3)+2(-5(-3)+1)= \n" ); document.write( "9+2(15+1)= \n" ); document.write( "9+2(16)= \n" ); document.write( "9+32= \n" ); document.write( "41 \n" ); document.write( "Hope that helps... \n" ); document.write( " |