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Anonymous Anonymous
  • 25-01-2017
  • Mathematics
Answered

I need help on 12 and 13

I need help on 12 and 13 class=

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troll2263
troll2263 troll2263
  • 25-01-2017

they are not equivalent

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YoungStudier
YoungStudier YoungStudier
  • 25-01-2017

12) 7 + 7x
7(x + 1/7)

For the second equation, use the distributive property.
7x + 7 1/7
7x + 1

7 + 7x and 7(x + 1/7) are not equivalent expressions.

13) 2.5(3 + x)
2.5x + 7.5

Again, use the distributive property for the first equation
2.5x + 2.53
2.5x + 7.5

2.5(3 + x) and 2.5x + 7.5 are equivalent expressions.

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