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FromTheMoon [43]
3 years ago
8

Three times a number t minus twelve equals forty

Mathematics
1 answer:
tekilochka [14]3 years ago
5 0
3 · t - 12 = 40

3t - 12 = 40    |add 12 to both sides

3t = 52    |divide both sides by 3

t = 52/3

t = 17 1/3
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