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gavmur [86]
3 years ago
6

Can someone help me how to write the equations of this three problems?

Mathematics
2 answers:
drek231 [11]3 years ago
3 0

Number 11:

(356-50) ÷ 17 = x

mash [69]3 years ago
3 0

11.    50 +17x = 356    where x = number of months

17x = 306

x =306 / 17  = 18 months answer


12.   3x + 21 = 60

3x = 39   x = $13 answer


13.    15(x - 20) =  375

15x  - 300 = 375

15x = 675

x = $45  answer

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