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zubka84 [21]
2 years ago
11

A number is doubled and then decreased by 13. the result is 61. what is the ordinal number?

Mathematics
2 answers:
dmitriy555 [2]2 years ago
8 0
Let x be the number
x + x - 13 = 61
2x - 13 = 61
2x = 61 + 13
2x = 74
2x/2 = 74/2
x = 37
murzikaleks [220]2 years ago
4 0
I would use the inverse operation.
61 divided by 2 plus 13 equals 43.5  

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