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anonymous
 one year ago
The sum of 237 and six times the opposite of a number is 405. What is the number?
A)
28
B)
24
C)
30
D)
32
anonymous
 one year ago
The sum of 237 and six times the opposite of a number is 405. What is the number? A) 28 B) 24 C) 30 D) 32

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mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Let the unknown number be x. Using x, how do you write the opposite of a number?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Yes, it's the negative of x, or simply x

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Now we have the opposite of a number is x. How do you write "six times the opposite of a number"?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Be careful. 6x is simply "six times a number." We need 6 times the opposite of a number.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0The opposite of a number is x. We need six times x

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0We are not adding anything yet. six times a number is 6x the opposite of a number is x six times the opposite of a number is 6 * (x) ok so far?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0OK. Now we deal with 237. The "sum" means an addition. The sum of 237 and six times the opposite of a number is 237 + 6 * (x) Ok?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Now we finally take care of the 405. 237 + 6 * (x) = 405 Now we have an equation. We can solve the equation and find the number.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0First, let's simplify 6 * (x) into simply 6x 237  6x = 405 Now we subtract 237 from both sides.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0237  6x = 405 237 237  6x = 168

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Now we divide both sides by 6 6x/(6) = 168/(6) x = 28

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0The number is 28.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yup that exactly what i got

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thanks for the help really appreciated that
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