3x + 4y = 4.25 2x - 6y = 4.50

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asked Jan 21, 2024 194k views

1 Answer

MalcolmInTheCenter · Answer 1 · 2024-01-27T06:00:25+0000

3x + 4y = 4.25
2x + 6y = 4.50
Make both coefficients equal
(3x + 4y = 4.25) * 2
(2x + 6y = 4.50) * 3
6x + 8y = 8.5
6x + 18y = 13.5
Subtract both sides
-10y = -5, y = 0.50
3x + 4(0.50) = 4.25
3x + 2 = 4.25
3x = 2.25, x = 0.75

3x + 4y = 4.25 2x - 6y = 4.50

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