mirandacorbin1219
Answered

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7. Seven times a number is equal to 12 more than 3 times the number.

Sagot :

sah4519985

Answer:

7n = 12+ 3n

Step-by-step explanation:

The first thing to do is subtract 3n from 7n. This would get you 4n = 12. 4 times 3 equals 12, so n equals 3.

To check your answer. 21 = 12+9. sure enough it matches our answer

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