document.write( "Question 79618: Solve 2/3(6x+30)=x + 5(x+4)-2x \n" ); document.write( "
Algebra.Com's Answer #57142 by doctor_who(15)\"\" \"About 
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2/3(6x+30)=x + 5(x+4)-2x\r
\n" ); document.write( "\n" ); document.write( "Expand the left hand side of the equation first. This is easy since two thirds of six is four and two thirds of thirty is twenty.\r
\n" ); document.write( "\n" ); document.write( "4x + 20 = x + 5(x+4) - 2x\r
\n" ); document.write( "\n" ); document.write( "Expand the right hand side :\r
\n" ); document.write( "\n" ); document.write( "4x + 20 = x + 5x + 20 -2x\r
\n" ); document.write( "\n" ); document.write( "Collect up all the x terms on the right hand side :\r
\n" ); document.write( "\n" ); document.write( "4x + 20 = x + 5x - 2x + 20\r
\n" ); document.write( "\n" ); document.write( "So the total number of \"x\"'s on the right hand side is 1 + 5 -2 = 4\r
\n" ); document.write( "\n" ); document.write( "4x + 20 = 4x + 20\r
\n" ); document.write( "\n" ); document.write( "Hey ! Look at that ! You've got the same thing on both sides of the equation !\r
\n" ); document.write( "\n" ); document.write( "This means that it doesn't matter what value x is, the equation works for ALL values of x. (ANSWER)
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