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In which step does a mistake first appear in simplifying the expression -2 (3a - 5) + 1.5 (6a - 10) +4(a -2) ?

In Which Step Does A Mistake First Appear In Simplifying The Expression 2 3a 5 15 6a 10 4a 2 class=

Answer :

Option C is incorrect

6a+ 10 + 9a - 15 - 4a - 8

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