document.write( "Question 87009: Give the reasons for the steps in the following proof. If 3x+(-1)=0, then x= 1/3
\n" ); document.write( "3x+(-1)=0
\n" ); document.write( "[3x+(-1)]+1= 0+1
\n" ); document.write( "3x+[(-1)+1]= 0+1
\n" ); document.write( "3x+0= 0+1
\n" ); document.write( "3x= 1
\n" ); document.write( "1/3(3x)= 1/3(1)
\n" ); document.write( "(1/3*3)x= 1/3*1
\n" ); document.write( "1*x= 1/3*1
\n" ); document.write( "x= 1/3 \n" ); document.write( "
Algebra.Com's Answer #62973 by Edwin McCravy(20060)\"\" \"About 
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document.write( "Give the reasons for the steps in the following proof. \r\n" );
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document.write( "If 3x+(-1)=0, then x = 1/3\r\n" );
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document.write( "3x+(-1)=0                     GIVEN\r\n" );
document.write( "[3x+(-1)]+1= 0+1              EQUALS ADDED TO EQUALS GIVES EQUALS \r\n" );
document.write( "3x+[(-1)+1]= 0+1              ASSOCIATIVE PRINCIPLE OF ADDITION\r\n" );
document.write( "3x+0= 0+1                     ADDITIVE INVERSE PROPERTY\r\n" );
document.write( "3x= 1                         ADDITIVE IDENTITY PROPERTY\r\n" );
document.write( "1/3(3x)= 1/3(1)               EQUALS MULTIPLIED BY EQUALS GIVES EQUALS  \r\n" );
document.write( "(1/3*3)x= 1/3*1               ASSOCIATIVE PRINCIPLE OF MULTIPLICATION\r\n" );
document.write( "1*x= 1/3*1                    MULTIPLICATIVE INVERSE PROPERTY  \r\n" );
document.write( "x= 1/3                        MULTIPLICATIVE IDENTITY PROPERTY\r\n" );
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document.write( "Edwin
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