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Which expression is equivalent to 1/3(12x+6x-21)

1 Answer

9 votes

Answer:


6x-7

Explanation:


(1)/(3) (12x + 6x -21)

break it into pieces


(1)/(3)*12x = 4x


(1)/(3)*6x=2x


(1)/(3) *-21=-7

put it all together

*since there's no negative in front of the other numbers except 7 they're positive so you add them*


4x + 2x - 7

simplify


6x - 7

User Ivan Fioravanti
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