© y=+*+3
How do I find the equation for this?

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Ответ:

nsuleban5016

25.06.2021

Mathematics

$x + y = 49 \\ x + 2y = 70$

x = 49 - y

Substitute that into,
$49 - y + 2y = 70 \\ y = 21$

Substitute that into,
$x = 49 - 21 \\ x = 28$

Answer check :
$21 + 28 = 49 \\ 28 + 2(21) = 28 + 42 = 70$

Answer : The numbers are 21 and 28.

Hope this helps. - M

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© y=+*+3 How do I find the equation for this?