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Solve for x given that : 0= -(2/3)x+30  

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kmckee1 | Student, Undergraduate | eNotes Newbie

Posted June 13, 2011 at 2:54 AM via web

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Solve for x given that : 0= -(2/3)x+30

 

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cjdoczzs | Student, Grade 11 | eNotes Newbie

Posted June 13, 2011 at 3:03 AM (Answer #1)

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2/3x=30 3(2/3x)= 30*3 2x=90 2x/2= 90/2 x=45
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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted June 13, 2011 at 3:00 AM (Answer #2)

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We have to solve 0= -(2/3)x+30

0= -(2/3)x+30

subtract 30 from both the sides

=> 0 -30 = -(2/3)x + 30 -30

=> -30 = -(2/3)x

multiply both the sides with -3/2

=> -30*(-3/2) = (-3/2)(-2/3)x

=> 90/2 = x

=> x = 45

The equation 0= -(2/3)x+30 is in this way solved to give x = 45

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dartharceus | Student, Undergraduate | (Level 1) Honors

Posted June 14, 2011 at 11:23 AM (Answer #3)

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u subtract 30 from both sides, you get -30=-(2/3)x

therefore, 30=(2/3)x

hence x = 30 divide by 2/3 which is 45

x=45

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