document.write( "Question 988218: 3x+4=12x+5\r
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document.write( "This is what I\"ve tried but don't know if I'm right. Plus I need to know how to check my work.\r
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document.write( "3x+4=12x+5 I saw somewhere that I make the 4 a - why do I make it a negative?
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document.write( "then add 4 to both sides
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document.write( "3x=12x+9 then divide all by 3
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document.write( "x=4x+3
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document.write( "Where do I go from here and please show me how to check my work. Thank you and God bless. \n" );
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Algebra.Com's Answer #608816 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! 3x+4=12x+5\r \n" ); document.write( "\n" ); document.write( "This is what I\"ve tried but don't know if I'm right. Plus I need to know how to check my work.\r \n" ); document.write( "\n" ); document.write( "3x+4=12x+5 I saw somewhere that I make the 4 a - why do I make it a negative? \n" ); document.write( "then add 4 to both sides \n" ); document.write( "3x=12x+9 then divide all by 3 \n" ); document.write( "x=4x+3 \n" ); document.write( "Where do I go from here and please show me how to check my work. Thank you and God bless. \n" ); document.write( " 3x + 4 = 12x + 5\r\n" ); document.write( " 3x = 12x + 1 --- Subtracting 4 from both sides in order to ISOLATE 3x\r\n" ); document.write( "3x - 12x = 1 --------- Subtracting 12x from both sides to isolate x\r\n" ); document.write( " - 9x = 1\r\n" ); document.write( "\n" ); document.write( " |