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Help me with this plzz i really need this

Help me with this plzz i really need this-example-1
User MikeR
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1 Answer

5 votes

Explanation:

19. 4n-7+3n-1= 7n - 8 c is the answer

20. the prime factors are 2*3*5*7*11=2310. the answer is c

21. 3x-8x-10=x+2

-5x - 10 = x + 2

-6x - 10 = 2

-6x = 12

x = -2 ( the answer is b)

User David Rogers
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