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77julia77 [94]
3 years ago
5

Please answer number 5 only

Mathematics
2 answers:
postnew [5]3 years ago
6 0

Answer:

y=3

x=2

Step-by-step explanation:

3 x 18 =54

2 x 12 = 24

54+24=78

julsineya [31]3 years ago
3 0

Answer:

x = 2; y = 3

Step-by-step explanation:

x + y = 5

12x + 18y = 78

Do system of equation

->  x = 2; y = 3

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