Say True or false? Justify your answer?
While solving an equation Kavya does the following:
3x + x + 5x = 72
9x = 72 x = 72 × 9 = 648
Where has she gone wrong? Find the correct answer?
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the answer is
given: 3x+x+5x=72
ie 9x=72
therefore x=72/9
=8
thus x=8
the part where she multiplied 72 by 9 is the part she should have divided 72 by 9
given: 3x+x+5x=72
ie 9x=72
therefore x=72/9
=8
thus x=8
the part where she multiplied 72 by 9 is the part she should have divided 72 by 9
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