Mathematics, 31.10.2019 08:31, interndon

1) twelve decreased by 4 times a number is equal to twice the number. what is the number?

2) the sum of a number and five more than the number is 17. what is the number?

3) during the summer frank earned $60 less than three times as much as his brother fred. together they earned $1220. how much did each earn

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1) twelve decreased by 4 times a number is equal to twice the number. what is the number?