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MatroZZZ [7]
3 years ago
14

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

Mathematics
1 answer:
marin [14]3 years ago
4 0

Answer:

6x-7

Step-by-step explanation:

\frac{1}{3} (12x + 6x -21)

break it into pieces

\frac{1}{3}*12x = 4x

\frac{1}{3}*6x=2x

\frac{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

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3 years ago
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