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pentagon [3]
4 years ago
7

Sam thinks of a number n. He multiplies his number by 7 and then he adds 3 to the result. His final answer is 45. Write down an

equation for this information
Solve the equation and find the number n.
Mathematics
2 answers:
Galina-37 [17]4 years ago
8 0

N x 7 +3 = 45


N = 6    Hope this helps.

kap26 [50]4 years ago
6 0

Hi GueenSilia,

Answer: (n x 7) + 3

45 - 3 = 42

42 / 7 = n

n x 7 + 3 = 45

----------------------------

42 / 7 = 6

6 x 7 = 42

42 + 3 = 45

n = 6

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