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fomenos
3 years ago
13

3(3x+7)=3x+51 help me please

Mathematics
1 answer:
Murrr4er [49]3 years ago
4 0

Answer:

5

Step-by-step explanation:

3(3x+7) = 3x+51

9x + 21 =3x+51 ; cuz 3 times 3 is 9 and 3 times 7 is 21

subtract 21 so 21 - 21 = 0 and 51 - 21 = 30 so

9x= 3x+30

Then subtract 3!  9-3x and 30 - 3x

You will get 6x = 30

Next you will divide by 6x

Lastly you will get 5! So your answer is 5, sorry it's a little messy but I hope this helps!

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