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andrey2020 [161]
3 years ago
12

All questions are about this system of equations:

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
8 0
5x + 18y = 23
x + 3y = 2 .....multiply by -5
----------------
5x + 18y = 23
-5x - 15y = -10 (result of multiplying by -5)
----------------add
3y = 13 <=== the resulting equation

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