document.write( "Question 169633: Madison, Abigail, and Brian spent $1,182 to buy their dad a computer. The three of them used their savings to pay for the computer. Abigail paid $142 more than Madison. Madison paid $353 less than Brian. How much did Brian pay? \n" ); document.write( "
Algebra.Com's Answer #125042 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! let what madison, abigail, and brian spent be m,a,b respectively. \n" ); document.write( ": \n" ); document.write( "m+a+b=1182...eq 1 \n" ); document.write( "a=m+142......eq 2 \n" ); document.write( "b=m+353......eq 3 \n" ); document.write( ": \n" ); document.write( "take the value of a in eq 2 and the value of b in eq 3 and plug them into the 3rd equation. \n" ); document.write( ": \n" ); document.write( "m+(m+142)+(m+353)=1182 \n" ); document.write( ": \n" ); document.write( "3m+495=1182 \n" ); document.write( ": \n" ); document.write( "3m=687: \n" ); document.write( " \n" ); document.write( "using eq 2: \n" ); document.write( ": \n" ); document.write( "using eq 1: |