bla1bla1bla1bla1 bla1bla1bla1bla1

08-04-2015
Mathematics

Answered

help me please with this

Simplify.

5a-12a

Verified Answer :

RedRicin RedRicin

08-04-2015

It helps to imagine the variable a sort of as a unit. Like with 5 minus 12 lemons, it has no bearings on the addition/subtraction here.

Factor out a and subtract.

\(5a-12a \\ (5-12)a \\ \boxed{-7a}\)

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