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Mathematics 17 Online
OpenStudy (anonymous):

Translate the sentence into an equation. The sum of 3 times a number and 7 is 19. A. 3(n + 7) = 19 B. (3 + n ) + 7 = 19 C. 7n + 3 = 19 D. 3n + 7 = 19

OpenStudy (anonymous):

i guess A

OpenStudy (anonymous):

@IrishBoy123

OpenStudy (anonymous):

@Skyz

OpenStudy (anonymous):

@Sepeario

OpenStudy (sepeario):

3n+7=19

OpenStudy (anonymous):

thank you

OpenStudy (sepeario):

would you like explaining?

OpenStudy (anonymous):

a little bit

OpenStudy (sepeario):

that's fine. let's say the number is 3. so three times the number would be 3n, right?

OpenStudy (anonymous):

yes

OpenStudy (sepeario):

but it asks for the sum of three times the number and 7. so think about it this way. (three times a number) + 7.

OpenStudy (sepeario):

so hence you get the answer, 3n+7.

OpenStudy (anonymous):

oh i understand i got confused when it said the sum

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