document.write( "Question 1151216: susan, alonzo, and joe have a total of $70 dollars in their wallet. Alonzo has $6 less than susan. Joe has 2 times what Alonzo has. How much do they have in their wallet? \n" ); document.write( "
Algebra.Com's Answer #772886 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
let the amount of dollars that Susan have be \"x\", Alonzo \"y\", and Joe \"z\"\r
\n" ); document.write( "\n" ); document.write( "if Susan, Alonzo, and Joe have a total of $\"70\" dollars in their wallet, than\r
\n" ); document.write( "\n" ); document.write( "\"x%2By%2Bz=70\"........eq.1\r
\n" ); document.write( "\n" ); document.write( "if Alonzo has $\"6\" less than Susan, than\r
\n" ); document.write( "\n" ); document.write( "\"y=x-6\".......eq.2\r
\n" ); document.write( "\n" ); document.write( " Joe has \"2\" times what Alonzo has, we have\r
\n" ); document.write( "\n" ); document.write( " \"z=2y\"...........substitute \"y\" from eq.2\r
\n" ); document.write( "\n" ); document.write( "\"z=2%28x-6%29\".......eq.3\r
\n" ); document.write( "\n" ); document.write( "go back to\r
\n" ); document.write( "\n" ); document.write( "\"x%2By%2Bz=70\"........eq.1 substitute \"y\" from eq.2 and \"z\" from eq.3\r
\n" ); document.write( "\n" ); document.write( "\"x%2B%28x-6%29%2B2%28x-6%29=70\"..........solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2Bx-6%2B2x-12=70\"\r
\n" ); document.write( "\n" ); document.write( "\"4x-18=70\"\r
\n" ); document.write( "\n" ); document.write( "\"4x=70%2B18\"\r
\n" ); document.write( "\n" ); document.write( "\"4x=88\"\r
\n" ); document.write( "\n" ); document.write( "\"x=22\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"y=x-6\".......eq.2, substitute \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"y=22-6\"\r
\n" ); document.write( "\n" ); document.write( "\"y=16\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"z=2%28x-6%29\".......eq.3, substitute \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"z=2%2822-6%29\"
\n" ); document.write( "\"z=2%2816%29\"\r
\n" ); document.write( "\n" ); document.write( "\"z=32\"\r
\n" ); document.write( "\n" ); document.write( "so,
\n" ); document.write( "Susan has \"22\" dollars in her wallet
\n" ); document.write( "Alonzo has \"16\" dollars in his wallet
\n" ); document.write( " Joe has \"32\" dollars in his wallet\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );